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 ...
Earth has a long and dramatic history, and one recurring theme is extinction. Did you know that over the last 500 million years, our planet experienced five major mass extinction events? These events ...
Deaths of nearby massive stars may have played a significant role in triggering at least two mass extinction events in Earth's history, according to new research. The explosive supernova deaths of ...