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What is a black hole?  NBC News

Black holes are the dark remnants of collapsed stars, regions of space cut off from the rest of the universe. If something falls into a black hole, it can never come ...

Astronomers find far-flung wind from a black hole in the universe's first light  Science News

The detection of black hole winds far from their host galaxy could reveal details of how galaxies and black holes grow up together.

We may soon be able to see the first supergiant stars in the universe  Phys.Org

We need to talk about the dark ages. No, not those dark ages after the fall of the western Roman Empire. The cosmological dark ages. The time in our universe, ...

Ask Ethan: When Do Black Holes Become Unstable?  Forbes

The densest objects in the Universe are also the most difficult to destroy. But eventually, destruction always prevails.

Five Surprising Truths About Black Holes From LIGO  Forbes

With a total of 10 black holes detected, what we've learned about the Universe is truly amazing.

We don?t need stars to navigate space ? black holes work way better  New Scientist

If you want to find your way across the universe, forget using stars or GPS. The light from quasars billions of light years away can guide us and even help here on ...

How to Measure All the Starlight in the Universe  The Atlantic

Astrophysicists have devised a clever way to count up the photons in space, stretching back to the cosmos' adolescence.

A measurement of all the starlight ever produced  EarthSky

How much starlight has our universe produced? According to a new study, stars have radiated 41084 photons since the start of the universe 13.7 billion years ...

Astronomers Count all the Photons in the Universe. Spoiler Alert: 4,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000 Photons  Universe Today

Imagine yourself in a boat on a great ocean, the water stretching to the distant horizon, with the faintest hints of land just beyond that. It's morning, just before ...

Black holes, galactic fountains and a Big Bang star: This week in space  CNN

An intergalactic fountain, merging black holes, the death of a galaxy and other space news from this week.

Giant collisions shake the cosmos  KSTU FOX 13 Salt Lake City

(CNN) -- In 1608, the German-Dutch lensmaker Hans Lippershey became the first person to apply for a patent for what we now call the telescope. By combining ...

Astronomers? 1st close-up look near a supermassive black hole  EarthSky

For the 1st time, researchers have been able to observe the motion of gas clouds around a central supermassive black hole. This particular black hole powers ...

Supermassive Black Holes Can Create 'Galactic Fountains' That Are 100,000 Light-Years Across  Newsweek

Astronomers have spotted a black hole spewing out vast amounts of incredibly cold gas.

"All the Light"-- In the History of the Observable Universe  The Daily Galaxy --Great Discoveries Channel

From our tiny blue water planet, the universe appears inconceivably vast. In the grand cosmic scheme of things, all the light in the observable universe provides ...

Will we ever see a black hole?  ScienceNordic

Of all the forces in physics there is one that we still do not understand at all: Gravity.

How we discovered that supermassive black holes can power enormous 'galactic fountains'  The Conversation - UK

A fountain in a garden pond could shoot a plume of water to roughly three metres in height. By comparison, the famous fountain on Lake Geneva launches a ...

60-Second Astro News: A Carnivorous Quasar and a Galaxy Ghost  Sky & Telescope

In astronomy news: A luminous quasar is devouring three galaxy companions, while a ghostly satellite of the Milky Way hints at more waiting to be found.

Get Your Galaxy in Gear!  ScienceBlogs

"We don't understand how a single star forms, yet we want to understand how 10 billion stars form." -Carlos Frenk The Universe has been around for a long time: ...

All the Light There Is to See? 4 x 10?? Photons  The New York Times

Astronomers have calculated all the light ever produced by all the stars in the cosmos. It's a lot, but on the cosmic whole, not that much.

Empty space has more energy than everything in the Universe, combined  ScienceBlogs

"Nothing exists except atoms and empty space; everything else is just opinion." -Democritus of Abdera When you take a look out at the Universe, past the objects ...

Where will we all be in 100 billion years?  ScienceBlogs

"It is always wise to look ahead, but difficult to look further than you can see." -Winston Churchill.

Blazing quasars reveal the universe hit 'peak star birth' 3 billion to 4 billion years after the big bang  Science Magazine

When were most of the universe's stars born? Scientists have long known that the answer is ?long ago.? But a new study that scrutinizes the radiation from ...

Black Holes: The Ultimate Heart of Darkness  Undark Magazine

In "Einstein's Monsters," an astronomer probes the history and significance of one of the universe's most mysterious phenomena.

Primeval Black Holes Could Reveal How the Universe Formed  Live Science

Primordial black holes that formed early in the universe's history could shed light on how exactly the universe formed.

Counting all the photons in the universe (spoiler alert: it's a big number)  Astronomy Now Online

Astronomers studying the effects of gamma ray jets emitted by 739 super-massive black hole-powered blazars shining across the depths of space and time have ...

?Beyond Comprehension? ?'The Observable Universe Is Only a Tiny Fraction of the Aftermath of the Big Bang'  The Daily Galaxy --Great Discoveries Channel

It boggles the mind that over 90% of the galaxies in the Universe have yet to be studied. Who knows what we will find when we observe these galaxies with the ...

Galaxy Punches Through Neighbor to Spawn Giant Ring of Black Holes  Space.com

New observations from NASA's Chandra X-ray Observatory reveal a very bright source of X-rays that is likely powered by either a ring of stellar-mass black holes ...

December UW Planetarium Schedule Explores Far Reaches of the Universe | News  University of Wyoming News

Programs in December at the University of Wyoming Harry C. Vaughan Planetarium focus on the far corners of the universe and how astronomers discover ...

Supermassive black holes and supercomputers  Science Daily

The universe's deep past is beyond the reach of even the mighty Hubble Space Telescope. But a new review explains how creation of the first stars and galaxies ...

Are Supermassive Black Holes Going to Eat the Universe?  Live Science

The largest black holes grow faster than their galaxies, according to new research. Two studies from separate groups of researchers find that so-called ...

Looking back in time to watch for a different kind of black hole  Science Daily

A simulation has suggested what astronomers should look for if they search the skies for a direct collapse black hole in its early stages.

What Happens When Planets, Stars And Black Holes Collide?  Forbes

Space may be enormous, but collisions are inevitable. Here's what happens when they occur.

Messier Monday: The Whirlpool Galaxy, M51  ScienceBlogs

"Upon one occasion, while engaged upon a seven-foot mirror, he did not remove his hands from it for 16 hours together." -from Caroline Herschel's obituary.

Astronomers Measure All of the Starlight Produced by Observable Universe  I4U News

Researchers using data from NASA's Fermi Gamma-ray Space Telescope have measured all of the starlight ever produced in the observable universe.

How We Discovered the Black Hole at the Center of Our Galaxy  Astronomy Magazine

On Thursday, astronomers announced the first observations of the effect of a black hole's gravitational redshift ? light coming from a star in the gravitational field ...

Middleweight Black Holes Provide Window to Early Universe  Sky & Telescope

How does the universe make supermassive black holes? Two studies discovered dozens of middling-mass black holes in dwarf galaxies to fuel an ongoing ...

Does a black hole ever die?  Popular Science

Astronomer Misty Bentz would like you to know that black holes don't suck. ?They're not cosmic vacuum cleaners going around and sucking everything in,? she ...

Mysterious Medium-Size Black Holes May Lurk at the Centers of Small Galaxies  Space.com

The hearts of small galaxies may hide a mysterious kind of black hole that has long proved elusive: medium-size black holes with masses between the mass of a ...

Space mysteries Nasa CAN?T explain ? as expert admits ?tiny super-intelligent aliens? may have visited Earth  The Sun

THERE'S plenty of evidence that our universe could support alien life ? but proving it is difficult. As a top Nasa scientist admits "tiny super-intelligent" aliens may ...

This Is How We Will Successfully Image A Black Hole's Event Horizon  Forbes

Five different simulations in general relativity, using a magnetohydrodynamic model of the black hole's accretion disk, and how the radio signal will look as a ...

What Was It Like When The First Supermassive Black Holes Formed?  Forbes

This artist's concept shows the most distant quasar and the most distant supermassive black hole powering it. At a redshift of 7.54, ULAS J1342+0928 ...

'Ultramassive' black holes discovered in far-off galaxies  Science Daily

Thanks to data collected by NASA's Chandra X-ray telescope on galaxies up to 3.5 billion light years away from Earth, an international team of astrophysicists ...

Meet The Universe's First-Ever Supermassive Binary Black Holes  Forbes

Illustration of two black holes merging, of comparable mass to what LIGO first saw. At the centers of some galaxies, supermassive binary black holes may exist, ...

?One of the Last Great Mysteries? ?Which Came First? Galaxies or Supermassive Black Holes  The Daily Galaxy

"This is one of the last great mysteries of the early universe," said Kirk S. S. Barrow with Georgia Tech's School of Physics. "We hope this study provides a good ...

?The Galaxy With One Star? ?A Black Hole So Big, So Blindingly Bright That It Blocks the Light of All Stars  The Daily Galaxy

"If this monster was at the center of the Milky Way it would likely make life on Earth impossible with the huge amounts of x-rays emanating from it," said Christian ...

Two Spiral Galaxies Collided, Creating Ring of Black Holes and Neutron Stars  National Geographic

About 300 million light-years from Earth, deep in the constellation Volans, two spiral galaxies spiraled into each other, leaving a brilliant ring of black holes and ...

Do Big Black Holes Wander the Galaxy?  Sky & Telescope

New simulation work suggests that galaxies like the Milky Way could be home to a dozen supermassive black holes. A gigantic black hole sits at the dead center ...

The Milky Way Is Hiding Tens Of Thousands Of Black Holes  Forbes

Black holes themselves are not visible, but emissions in the radio and X-ray from matter outside of them can clue us into their locations and physical properties.

Astronomers measure total starlight emitted over 13.7bn years  The Guardian

Stars have radiated 4x1084 photons since the universe begun with formation peaking 11bn years ago.

Black holes ruled out as universe's missing dark matter: Statistical analysis shows black holes can make up no more than 40 percent of dark matter  Science Daily

If dark matter consists of a plethora of primordial black holes, then their gravitational lensing -- magnifying and brightening distant objects -- should be detectable ...

Mysterious Midsize Black Holes Lurk at the Hearts of Tiny Galaxies  Space.com

Scientists using NASA's Chandra X-Ray Observatory have found evidence that hundreds of possible midsize black holes lurk at the cores of smaller galaxies in ...

Evidence for Thousands of Black Holes Buzzing Around the Center of the Milky Way  Universe Today

Since the 1970s, astronomers have understood that a Supermassive Black Hole (SMBH) resides at the center of the Milky Way Galaxy. Located about 26,000 ...

Where do Supermassive Black Holes Come From?  ScienceBlogs

"Black holes, which have no memory, are said to contain the earliest memories of the universe, and the most recent, too, while at the same time obliterating all ...

How Does a Black Hole Form?  Live Science

Black holes form through the collapse of a very massive star, but many mysteries remain about these puzzling stellar objects.

Martin Rees on the Future of Science and Humanity  Quanta Magazine

For 50 years, the astrophysicist Martin Rees has contributed to our understanding of cosmology. Now he is speaking up about the promise and potential dangers ...

New simulation sheds light on spiraling supermassive black holes  Science Daily

A new model is bringing scientists a step closer to understanding the kinds of light signals produced when two supermassive black holes, which are millions to ...

The Universe's Fastest-Growing Black Hole Eats Suns Like Ours for Breakfast  Live Science

A newfound black hole is so mighty, it eats suns like ours for breakfast. Well, sort of. According to a new paper published online May 11 in the preprint journal ...

The Brightest Galaxy In The Universe Is Surprisingly Young And Tiny  Forbes

The giant elliptical galaxy at the center of galaxy cluster Abell S1063 is much larger and more luminous than the Milky Way is, but many other galaxies, even ...

Thousands of black holes form disks in the centers of galaxies  Astronomy Magazine

The region around a galaxy's supermassive black hole may harbor thousands of stellar-sized black holes, orbiting in a disk.

Why Doesn't The Black Hole In The Middle Of Our Galaxy Consume Everything?  Forbes

Why doesn't the black hole in the middle of the galaxy consume the entire galaxy? This question was originally answered on Quora by Corey S. Powell.

Most Massive Black Holes Ever Found in the Universe Discovered 3.5 Billion Light Years Away  Newsweek

Scientists have detected a set of gargantuan black holes that are likely the most massive ever discovered in the universe. The ?ultramassive? black holes are ...

Gas and Dust Seen Swirling Around our Galaxy?s Supermassive Black Hole  Universe Today

A team using ALMA has observed gas and dust cloudlets near the super massive black hole at the center of the Milky Way. How did they form?

This Tiny Galaxy Is Home to a Weirdly Large Supermassive Black Hole  Space.com

Astronomers spotted a huge black hole in the center of a very small galaxy, which could help scientists better understand how these kinds of galaxies ? called ...

Sizes matters for black hole formation, but there's something missing in the middle ground  The Conversation AU

Black holes may come in many sizes, but there's still a gap in the middle. The hunt is on to solve the mystery of where are the intermediate size black holes.

The Puzzle of the First Black Holes  Scientific American

Scientific American is the essential guide to the most awe-inspiring advances in science and technology, explaining how they change our understanding of the ...

Black holes, quasars & supernova: The most astounding phenomenon in outer space  Big Think

Everything you wanted to know about black holes, supernova, and quasars but were afraid to ask.

Black Hole at the Center of the Milky Way May Be One of Thousands  Now. Powered by Northrop Grumman.

In his book ?A Brief History of Time,? the late cosmologist Stephen Hawking included a now-famous bit of speculation about how a fictional astronaut would get ...

Two Galaxies Collided to Create a Ring of Black Holes... Or Neutron Stars  Outer Places

A while ago, we reported on Sean Raymond's fascinating research into whether Isaac Asimov's fictional planet Kalgash (which was bathed in near-perpetu...

Black Hole Drags Star to Dusty Death  The New York Times

Astronomers thought they saw an exploding star, but in fact it was a star having its guts ripped out by a black hole.

What Happens Inside a Black Hole?  Interesting Engineering

What are black holes? How are they formed? What are they made of? Where do they go? These are some of the common questions people have when thinking ...

At the center of our galaxy, there's a black hole party  Reuters

Black holes are hanging out at the center of our galaxy by the thousands, according to scientists who have detected a bunch of them in the neighborhood of a ...

Supermassive Black Holes can Turn Star Formation On and Off in a Large Galaxy  Universe Today

In the 1970s, astronomers discovered that a particularly large black hole (Sagittarius A*) existed at the center of our galaxy. In time, they came to understand that ...

Our Galaxy's Center Might Hold Thousands of Black Holes  Sky & Telescope

A new study has uncovered a dozen stellar-mass black holes within 3 light-years of the supermassive black hole at our galaxy's core ? and these might be just ...

Galaxy outskirts likely hunting grounds for dying massive stars and black holes: RIT study finds a new place to look for black-hole collisions and gravitational waves  Science Daily

Findings from a new study provide further evidence that the outskirts of spiral galaxies host massive black holes. These overlooked regions are new places to ...

Stars (Including 1 Daredevil) Circle the Milky Way's Monster Black Hole (Time-Lapse)  Space.com

Time-lapse footage from the European Southern Observatory's Very Large Telescope (VLT) in Chile captures stars orbiting the black hole at the center of the ...

Cosmologists propose new way to form primordial black holes  Phys.org

What is dark matter? How do supermassive black holes form? Primordial black holes might hold the answer to this longstanding question. Leiden and Chinese ...

Ask Ethan: Could The Universe's Missing Antimatter Be Found Inside Black Holes?  Forbes

We see matter, but not antimatter, in our Universe. Could black holes be the answer?

Rarely Seen Middleweight Black Hole Gobbles Star  Space.com

An elusive type of black hole has been spotted as it shreds and consumes a nearby star. Archival data from the European Space Agency's XMM-Newton X-ray ...

Ask Ethan #28: Feeding the Monster (Synopsis)  ScienceBlogs

What makes us love? is when we learn all these fantastic stories. Feeding the imagination is what makes a subject come alive.? -Daniel Tammet Is the largest ...

Gravitational waves created by black holes in the centre of most galaxies  Phys.org

Gravitational waves may be produced in the heart of the galaxy, says a new study led by Ph.D. student Joseph Fernandez at Liverpool John Moores University.

Researchers capture best ever evidence of rare black hole  Phys.org

ESA's XMM-Newton observatory has discovered the best-ever candidate for a very rare and elusive type of cosmic phenomenon: a medium-weight black hole in ...

Astronomers Discover Tiny Galaxy Harboring Monster Black Hole  ExtremeTech

The black hole at the center of UCD3 has a mass of roughly 3.5 million suns. The entire galaxy is ...

The Black Hole Ultimate Solar System: a Supermassive Black Hole, 9 Stars and 550 Planets  Universe Today

Shortly after Einstein published his Theory of General Relativity in 1915, physicists began to speculate about the existence of black holes. These regions of ...

Active Supermassive Black Holes May Have Quashed Life's Emergence  Forbes

Active galactic nuclei (AGNs) --- powered by supermassive black holes at the centers of most young galaxies --- may have put the quash on life's evolution, says ...

Supermassive black hole seen eating star for the first ever time  The Independent

Scientists have seen the vast blast thrown out by a black hole eating a star for the first ever time. Researchers have finally watched the formation and expansion ...

Astronomers see a black hole eating a star  EarthSky

Astronomers now have the 1st direct image of a black hole ripping apart a star. The star-stuff goes into a disk surrounding the hole, and it's also ejected back to ...

Finding the happy medium of black holes  Phys.org

This image shows data from a massive observing campaign that includes NASA's Chandra X-ray Observatory. These Chandra data have provided strong ...

Chandra Discovers a Ring of Black Holes in Galaxy AM 0644-741  SciTechDaily

Astronomers have used NASA's Chandra X-ray Observatory to discover a ring of black holes or neutron stars in a galaxy 300 million light years from Earth.

What does a black hole look like?  Phys.Org

At the center of our galaxy lies a swirling, energy-spewing supermassive black hole called Sagittarius A* or Sgr A*, for short. For billions of years, surrounding ...

First detection of matter falling into a black hole at 30 percent of the speed of light  Phys.org

Black holes are objects with such strong gravitational fields that not even light travels quickly enough to escape their grasp, hence the description "black.

How can we see black holes?  ScienceBlogs

"According to the special theory of relativity nothing can travel faster than light, so that if light cannot escape, nothing else can either. The result would be a black ...

What Was It Like When The First Stars Died?  Forbes

For 100 million years, there was only creation in the Universe. Meet our first moments of destruction.

Quest for source of black hole dark matter  Phys.Org

Like a game of "hide and seek," Lawrence Livermore astrophysicists know that there are black holes hiding in the Milky Way, just not where.

'White Holes' May Be the Secret Ingredient in Mysterious Dark Matter  Space.com

White holes, which are theoretically the exact opposites of black holes, could constitute a major portion of the mysterious dark matter that's thought to make up ...

What does it look like near a supermassive black hole?  Astronomy Magazine

With today's best models and instruments, astronomers are closing in on the comparatively tiny regions around supermassive black holes.

'Direct Collapse' Black Holes May Explain Our Universe's Mysterious Quasars  Forbes

Finding something unusual in the Universe doesn't necessarily mean anything's wrong. We may just need to look at it in a new way.

The Milky Way's supermassive black hole may have a dozen nomadic sibl  Astronomy Magazine

At the center of the Milky Way sits a dark and dangerous beast: Sagittarius A*. Located about 26000 light-years from Earth, our galaxy's only known ...

Hubble's Latest Jaw-Dropper Shows Where The Universe's Stars Come From  Forbes

NASA's 28-year-old workhorse is still lighting up our knowledge and imagination of the Universe.

The Stuff Falling into This Black Hole Is Moving at Almost 56,000 Miles a Second!  Space.com

A glob of material the size of Earth is getting sucked into a black hole at nearly one-third the speed of light, a new study reports.

Ask Ethan: How Many Black Holes Are There In The Universe?  Forbes

Although we've seen black holes directly merging three separate times in the Universe, we know many more exist. Here's where they must be.