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 study will help identify potentially habitable planets
Stars must emit just enough near-infrared light to prevent the loss of oceans.
An excess of 'failed' stars is a bad sign for alien life
There could be 100 billion brown dwarfs in our galaxy, many more than thought.
Early universe 'fireworks' challenge notions of how stars form
The ancient cosmos may have been packed with tiny star incubators.
Milky Way's fastest stars could be runaways from another galaxy
Hypervelocity stars might not come from black holes after all.
Watch the ESA trace 2 million stars' journey across the skies
Our descendants sure won't see the same constellations we do.
Supermassive black hole set a record for longest lunch ever
The feeding frenzy enriches our understanding of the universe.
Magnetic fields could explain an 'erratic' neutron star
Scientists have a theory for Rapid Burster's unusual X-ray blasts.