Deep beneath the Earth’s surface, researchers have uncovered striking new evidence of ancient seafloor buried for millions of ...

Other Permian detectives suspect the killer oozed up from the sea. For years scientists have known that the deep ocean lacked oxygen in the late Permian. But most life is concentrated in shallow ...

Its discovery in the Cerrejón coal mine, exposing invaluable insights into prehistoric ecosystems and ... or Churning of the ...

Movement onshore, however, was difficult. An adult female Protostega may have weighed a ton or more, a hefty load to drag out of the ocean to lay eggs. But lay eggs on the beach they did by the ...