The blast may have been a kilonova — a type of neutron star merger — in the wake of a more traditional supernova.

A meteor explosion has been captured from space for the first time ever, thanks to a team aboard the International Space ...

For a long time, the end of the Ice Age felt like a slow fading rather than a sharp break. Mammoths vanished. Old ways of ...

Scientists are uncovering new clues that a cosmic explosion may have rocked Earth at the end of the last ice age. At major ...

A nuclear winter is a theoretical concept, but if the climate scenario expected to follow a large-scale nuclear war, in which smoke and soot from firestorms block sunlight, came to fruition, global ...

In this special issue of the Bulletin of the Atomic Scientists, published by SAGE, experts reflect on 2011 and highlight what to look out for in 2012 in the areas of nuclear energy, nuclear weapons, ...

Scientists have detected the most distant supernova ever seen, exploding when the universe was less than a billion years old. The event was first signaled by a gamma-ray burst and later confirmed ...

Astronomers have released a rare time-lapse video showing the violent expansion of a dead star over two decades. The footage ...