Stephen Hawking’s last paper has been published on multiverse theory
It was submitted to the journal 10 days before he died.
This galaxy without dark matter is bending the rules of space
Scientists are stumped.
Researchers may have detected signals from the universe’s first stars
Evidence suggests they began to form 180 million years after the Big Bang.
NASA's James Webb telescope is one step closer to launch
The telescope has undergone rigorous testing ahead of its launch next year.
Astronomers just measured a whole lot more than gravitational waves
Researchers around the world are collecting troves of new data from this latest event.
Long-delayed Thirty Meter Telescope gets the go-ahead, for now
Protesters vow to keep fighting its construction.
Optical laser uses shockwaves to peer inside distant planets
It has as much kick as 17 Teslas discharging their batteries in a second.
Early universe 'fireworks' challenge notions of how stars form
The ancient cosmos may have been packed with tiny star incubators.
Deepest X-ray image to date uncovers a black hole bonanza
It's a window into the histories of both black holes and the universe.