Suni Williams and Butch Wilmore are making a 17-hour journey from the International Space Station and will splash down near ...

Astronomers have confirmed the existence of four planets orbiting a star less than 6 light-years away with help from some of ...

What's the deadliest part of a supernova explosion? To estimate this we have to look at what the actual destructive ...

Five 'mass extinctions' have decimated our planet since it was formed - now scientists claim the answers to two could be written in the stars.

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

But it will actually be painful to look at because, unlike the full moon that is this gorgeous disk in the sky, Betelgeuse is ...

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

Exploding stars in near-solar space may have triggered at least two mass extinction events in Earth’s history. A new study ...

The rate of stars going supernova near Earth appears to match two mass extinctions -- 372 million years ago and 445 million ...

At least two mass extinction events in Earth's history were likely caused by the "devastating" effects of nearby supernova ...

At least two mass extinction events in Earth's history were likely caused by the "devastating" effects of nearby supernova explosions, a new study suggests. Researchers at Keele University say these ...