The collapse of tropical forests during Earth's most catastrophic extinction event was the primary cause of the prolonged ...

Biogeographical regions of marine organisms, i.e., their distribution across different habitats, often overlap well with the ...

New research analyzing isotopes from ancient African remains reveals how societies adapted strategies to survive major climate change.

Lava flows, near mile-thick glaciers and ice age floods layered and carved up this landscape.

NEW YORK — Scientists have identified what could be the oldest rocks on Earth from a rock formation in Canada. The ...