Fresh fossil analyses suggest the Kotlin Crisis 550 million years ago wiped out up to 80% of marine species, making it Earth's earliest known mass extinction. This overturns the long-standing view ...

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 ...

(CNN) — Humans have wiped out more than 100 species — with many more on the brink or experiencing large declines in population. Some scientists have argued that we have entered a “sixth mass ...

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 ...

Long before they became essential to tropical ecosystems, termites were just one group among many. New research led by the ...