When it does take place, the outburst will be brief but it will appear as a new star in the sky for a little less than a week ...

The Hubble Space Telescope captured an image of a star and a spiral galaxy, both in the constellation Virgo. But the photo is ...

A picturesque galaxy 40 million light-years away, NGC 5530 dazzles with its patchy spiral arms in the constellation Lupus.

The explosion released elements heavier than iron—like gold and platinum—through a process known as rapid neutron capture ...

A type Ia supernova occurs when a white dwarf draws hydrogen from a companion. But Sirius A and B are too widely separated ...

Deaths of nearby massive stars may have played a significant role in triggering at least two mass extinction events in ...

New research suggests the violent explosions of dying stars may have caused two of Earth’s biggest mass extinctions millions ...

Specifically, the findings support the hypothesis that supernovae could have triggered two of the so-called "big five" mass ...

Plutonium discovered at the bottom of the ocean was found to be refuse from a kilonova that exploded close to Earth 10 ...

Bothell, Wash.-based Portal Space Systems shows off the lab where its solar thermal propulsion system will be developed.