Read A disk of hot gas swirls around a black hole in this illustration. Some of the gas came from a star that was pulled ...

Was the Big Bang really the beginning of the universe, or are we 'bouncing' between periods of expansion and contraction? A ...

Scientists could turn to black holes for cheaper, natural alternatives to expensive facilities searching for dark matter.

One of the papers, published last year, describes the simulated results of quakes on the surface of neutron stars before they ...

The telescopes at Lick may be vintage, but scientists at the observatory continue to discover new planets and examine ...

Scientists say supermassive black holes that smash together particles at near light speeds could potentially replace ...