black holes
Astronomers Find Strong Evidence There is a Supermassive Black Hole at the Center of Our Galaxy
Astronomers watched as gas approached 30 percent the speed of light during the most detailed observation ever made of material orbiting so close to a black hole.
Stephen Hawking’s Last Paper Is Now Online
The black hole information paradox fascinated Hawking for decades, and is the topic of his final research study.
Black Holes Can’t Account for Missing Dark Matter in the Universe
A statistical analysis of 740 supernovas found that black holes can only account for 40 percent of dark matter in the universe, putting another nail in the coffin for the MACHOs theory of dark matter.
Gravitational Waves Show No Evidence of Extra Dimensions
Observing the light from neutron stars provided a baseline to measure the effects of extra dimensions on the propagation of gravitational waves through space.
Stephen Hawking’s Voice Was Beamed to a Black Hole During His Funeral
Hawking’s message to preserve the planet was radioed into space during his Friday memorial at London’s Westminster Abbey.
Around 10,000 Black Holes Are at the Center of the Galaxy, Study Says
The supermassive black hole at the galactic core seems to have an abundance of smaller black hole friends.
Did Stephen Hawking Owe A Nobel Physicist a Subscription to ‘Penthouse’?
In 1974, Stephen Hawking bet Kip Thorne a subscription to Penthouse over whether a recently discovered cosmic object was a black hole. He lost, and we tried to find out if he ever paid up.
Will the ‘Information Paradox’ Pioneered by Stephen Hawking Ever Be Resolved?
The problem inspired a famous physics bet and a "black hole war."
Will the ‘Information Paradox’ Pioneered by Stephen Hawking Ever Be Resolved?
The problem inspired a famous physics bet and a "black hole war."
Some Black Holes Erase Your Past and Give You Unlimited Futures
"In some cases, one can live forever in a universe unknown."
Start Rolling Your Blunts and Fly Through a Nebula in the Latest Batch of Hubble Space Videos
Watch alien planets evaporate and black holes lurk in this motherlode of videos.
Scientists Have Detected an Entirely New Type of Gravitational Wave
Astronomers capture both a gravitational wave and optical imagery from the energetic union of two neutron stars in a distant galaxy.