Biomass reveals the real impact and energy flow of life in an ecosystem, like knowing not just the cast of a play, but who ...

Shell-rich rocks trace a mostly upward climb in ocean life, with each mass extinction slashing both diversity and biomass ...

Stanford study shows ocean biomass has risen over 540 million years, linking biodiversity to long-term ecosystem health.

In a first-of-its-kind study, Stanford researchers have measured how the abundance of ocean life has changed over the past half-billion years of ...

Based on these new data inferences concerning end-Permian mass extinction and Triassic recovery in the tropical realm are discussed. Strengths: The manuscript is well-written and organized and ...

It lived in the immediate aftermath of the end Ordovician extinction event more than 440 million years ago, caused by glaciations (the spread of icy conditions) across vast swaths of the planet.

Discovered 25 years ago, a 444-million-year-old marine arthropod fossil stumped paleontologists, as they couldn’t identify its exact species. Sarah Gabbot, who originally discovered the specimen ...

Fossils of 444 million-year-old creatures whose bodies were preserved "inside-out" have been discovered in South Africa.

A cataclysmic shift at the end of the Ordovician led to the disappearance of about 85% of species at a time when life was mostly limited to the seas.

A cataclysmic shift at the end of the Ordovician led to the disappearance of about 85% of species at a time when life was mostly limited to the seas.

Researchers first identified the cause of the end-Cretaceous extinction by the discovery of the “iridium anomaly” — a 1-centimeter-thick (0.4-inch-thick) layer of sedimentary rock rich in ...