When you buy through links on our articles, Future and its syndication partners may earn a commission. An image of Cassiopeia A (Cas A), the remnant of a massive star that exploded about 300 years ago ...

Scientists Warn Earth Is Entering a Sixth Mass Extinction ...

Violent supernovas may have caused two of Earth’s largest mass extinctions that have never been completely explained, according to a theory put forward in new research.During the final stages of a ...

Backed by a National Science Foundation grant of more than $500,000, Pfeifer, the lead principal investigator, and a team of ...

Humans have wiped out hundreds of species — with many more on the brink or experiencing large declines in population. Some scientists have argued that we have entered a “sixth mass extinction” event ...