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black holes

Black Holes: Gravity’s Relentless Pull
Image: NASA

Black Holes: Gravity’s Relentless Pull

Black holes are places where ordinary gravity has become so extreme that it overwhelms all other forces in the universe. Once inside, nothing can escape a black hole's gravity — not even light.

How can we find something that's essentially invisible? And how close is the closest black hole? Take this voyage to a black hole to get those answers and more.

Space Telescope Science Institute
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Black Hole Caught Killing Star (and Eating It for Lunch)

Black Hole Caught Killing Star (and Eating It for Lunch)

What does it look like when a black hole one million times more massive than our sun devours a star? See for yourself. More...

Video
Space.com
Witnessing the Growing Pains of Teenage Black Holes

Witnessing the Growing Pains of Teenage Black Holes

Supermassive black holes are millions — or even billions — of times more massive than our sun. Take a look at their adolescent growth spurts thanks to the largest optical telescopes on Earth. More...

Article
Discovery
Black Hole Explorer

Black Hole Explorer

Build a spaceship and then try to fly it close to — but not into — a black hole. That's the challenge of this printable board game. More...

Game
NASA/Harvard-Smithsonian CFA
Swift Discovers a New Black Hole in Our Galaxy

Swift Discovers a New Black Hole in Our Galaxy

Bright X-ray novae are really rare. See how an outburst as intense as the Crab Nebula signaled a huge black hole at the center of our Milky Way Galaxy. More...

Video
NASA
Black Hole Pictures

Black Hole Pictures

Flip through photos of everything from supermassive black holes to wormholes and other mysteries of space. More...

Images
Discovery
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The Truth and Lies About Black Holes

The Truth and Lies About Black Holes

Black holes have a bad reputation — no surprise, since they can swallow things whole. But are they really as scary as they sound? Find out. More...

Interactive
NASA
PacSci-Doku: Dinner for a Black Hole

PacSci-Doku: Dinner for a Black Hole

What will be sucked into the black hole at the center of our galaxy in the next few years? Solve this puzzle to find out. More...

Game
Pacific Science Center
Ask an Astrophysicist: Black Holes

Ask an Astrophysicist: Black Holes

What do you want to know about black holes? With answers to more than 60 questions, chances are good you'll find it here. More...

Article
NASA
Escape Velocity & Black Holes

Escape Velocity & Black Holes

Imagine something so massive its escape velocity is the speed of light. That’s a black hole. Nothing can get out from inside it, and time seems to stop at its border. More...

Article
New Mexico State University
8 Black Hole Videos that Will Suck You In

8 Black Hole Videos that Will Suck You In

Watch "Birth of a Black Hole" first, to see what gravity does to a huge, dying star. Then, enjoy the wild ideas in the other videos. More...

Video
Science Channel
Black Holes

Black Holes

We can't see black holes but we know they exist thanks to Albert Einstein and three decades' worth of clues. Find out what those clues are. More...

Article
AMNH
Wrinkles in Spacetime

Wrinkles in Spacetime

Find out how Kip Thorne and Paul Franklin created a black hole of "unprecedented accuracy" for Interstellar — and made a bona fide scientific discovery in the process. More...

Profile
WIRED

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