Biology

Tiny specks called biomolecular condensates are leading to a new understanding of the cell

DNA inherited from Neandertals may influence modern human cognition

Just as people often yawn or scratch themselves when they see someone else do so, for chimpanzees, peeing is contagious

Songbirds may socialize across species during nighttime migrations

Transplanted chloroplasts endured two days inside animal cells—and got to work

Bowhead whales were known to live up to 200 years, and a new study finds that southern right whales may live up to age 150 if they aren’t being hunted

A planned octopus farm is facing opposition. Here’s why

Three-dimensional models of Australopithecus afarensis hint at the muscular adaptations that made modern humans better runners

The huge Stegosaurus fossil Apex, bought at auction for $44.6 million, has debuted on loan at the American Museum of Natural History

Material from asteroid Ryugu riddled with earthly microbes provides a cautionary tale for scientists seeking signs of alien life

The burps, barks and snorts humpback whales make when asking their mother for milk are the first recorded instances of begginglike behavior in a baleen whale

Earth’s deadliest mass extinctions have important commonalities—and significant differences