Deaths of nearby massive stars may have played a significant role in triggering at least two mass extinction events in ...

What are some of the largest extraterrestrial impacts to effect Earth? Learn what we've seen in history, and what is ...

Voluminous clouds of cosmic dust permeate our galaxy, but only recently has software allowed detailed observations of the stuff at scale.

Scientists at Colossal Biosciences achieved the first de-extinction by resurrecting dire wolves, which went extinct 12,500 ...

They get cooked and then they die. And since they form the very base layer of the food chain, you end up with a whole ecosystem collapse and a mass extinction. What's the risk? We've done the math.