Learn how grunts, whimpers, and laughter helped researchers uncover chimpanzee accents that differ between communities.

Learn how ancient DNA and chemical clues revealed that the American cheetah was a puma relative that ate fish in the Arctic.

Learn how two galaxies slowly pulling toward each other inspired a name that captures their cosmic collision and the birth of ...

Learn how a photograph of an octopus riding a Risso’s dolphin connects the encounter to southwest England’s largest octopus ...

Discover the top stories from Aug. 29 to Sept. 4, 2026, including how recreational drugs may be linked to stroke risk even in ...