Earth's oceans into a toxic, oxygen-starved crisis that erased nearly all marine life. Scientists have finally uncovered what separated ...

The greatest mass extinction of all time was triggered by climatic conditions that are beginning to reappear today, ...

Around 252 million years ago, Earth’s oceans became a lethal test of animal physiology. Nearly every marine species vanished, ...

Researchers identified the Chicxulub impactor as an exceptionally rare type of asteroid that wouldn't have triggered a mass ...

A new study reveals metabolism's role in Earth's greatest marine extinction event. Organisms' oxygen use and energy ...

A Stanford-led study has provided the strongest evidence yet that warming oceans and declining oxygen levels caused Earth's ...

A speculative paper argues that ancient planetary flybys may have helped trigger some of Earth’s mass extinctions.

An interdisciplinary team from Florida State University's Department of Earth, Ocean, and Atmospheric Science has uncovered ...

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 in the ...

So, by that standard, could a similar fate await humanity in the not-so-distant future? Well, as the saying goes, all good ...

Scientists have identified a rare CO chondrite meteorite as the impactor that caused dinosaur extinction. This space rock, ...

Why do beaches today have seashells from clams and snails instead of brachiopods? A new study suggests the answer lies in ...