The Sciences

Scientists still don’t know the full purpose of this changeable biological trait

Could they speak, too? Did they proposition modern humans in an interspecies creole language?

A jaded old science writer rediscovers the thrill of science by teaching undergraduates

Could bacteria be effectively immortal?

New research shows that when faced with an impossible task, the marsupials look to humans for help.

Astrophotographer Miguel Claro’s portraits capture wonders of the universe

The American Physical Society’s new criteria for conference venues seem to be unique among scientific societies

We can never be sure if the interstellar object ‘Oumuamua, for example, was artificial—but we could be ready to answer that question for such a visitor in the future

The successor to the Hubble currently honors a man who acquiesced to homophobic government policies during the 1950s and 1960s

Book recommendations from the editors of Scientific American

Some days we gain one minute; some days we gain three