A new Stanford-led study offers the clearest picture yet of how some ocean life survived our planet's biggest mass extinction while most animals did not. About 252 million years ago, 96% of marine ...

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

The end-Triassic extinction is often overshadowed by the disaster that killed the dinosaurs, but on its own it ranks among the worst biological crises in Earth’s history. Around 201 million years ago, ...

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

Italian limestone collected from the Mercato San Severino section in southern Italy contains molecular traces of ancient oceanic chemistry. An analysis of these rocks helps explain how early Jurrasic ...

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

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

Add Yahoo as a preferred source to see more of our stories on Google. Alaska rock records show ocean deoxygenation began nearly 8 million years before the end-Triassic mass extinction. (CREDIT: ...