Since the first sharks emerged in the world’s oceans nearly half a billion years ago, the world has gone through five major ...

Earth has experienced both hot and cold periods over time, though warm times have been more common. That’s true of the last 485 million years, as seen in this timeline reported in 2024. Our genus, ...

A prehistoric carbon spike turned oceans deadly and wiped out marine life. Scientists say today’s CO₂ rise could cause the ...

Researchers detect some unique features in two specimens belonging to Pareiasauria, leading to the discovery of a new species ...