New evidence suggests that a comet explosion over North America may have triggered a massive wave of destruction nearly ...

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

The new paper argues that, in SN 1181, the first phase of the supernova fizzled out and left behind an unusually active ...

NASA has released its longest-ever time-lapse from the Chandra X-ray Observatory, capturing the expanding remains of Keplers ...

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 ...

Scientists have detected the most distant supernova ever seen, exploding when the universe was less than a billion years old.