Just over half a billion years ago, Earth was rocked by a global mass extinction event, a dramatic interruption of the ...

Learn how social connections may influence extinction risk in some wildlife species.

About 445 million years ago, Earth’s oceans turned into a danger zone. Glaciers spread across the supercontinent Gondwana, and shallow seas shrank fast.

Around 540 million years ago, Earth's biosphere underwent a pivotal transformation, shifting from a microbe-dominated world ...

When considering mass extinctions, people often think of the asteroid strike that wiped out all non-avian dinosaurs. But life on Earth has experienced many extinction events. Now, a trove of fossils ...

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 ...

The fossils offer a rare glimpse into a cataclysmic event that brought a sudden end to the greatest explosion of life in our ...

The Earth has suffered five mass extinctions. Human activities are now accelerating climate change and the threat of the "Sixth Mass Extinction". We analyze the past to consider what we should do.

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 ...

Learn how geological clues preserved in ancient oceans link repeated volcanic eruptions to Triassic marine extinctions.