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

A study of fossils from the Permian-Triassic extinction event 252 million years ago shows that forests in many parts of the ...

As climate change threatens tropical forests, a new study shows how the loss of those forests can be devastating to life on ...

July 4, 2025. More for You ...

The Cretaceous-Paleogene mass extinction, occurring approximately 66 million years ago, represents one of the most dramatic biotic crises in Earth’s history. It is marked by the abrupt ...

Fossils from Earth’s biggest extinction reveal forest collapse triggered runaway warming - offering a warning for today’s ...

Nature Communications (2023). [2] Heterogeneous selectivity and morphological evolution of marine clades during the Permian–Triassic mass extinction. Nature Ecology & Evolution (2024).

Trump says U.S. economy is hurt by 'too many' federal holidays. Here's what our readers said. Reggie Miller Reveals His Top 5 Shooters in NBA History ...