Footage shows paper nautilus moving its tentacles from inside its shell and gazing through one of its eyes.

Politicians of both political parties have blamed either the Trump or the Biden administration for the arrival of the New ...

Scientists have long known that ancient Homo sapiens and Neanderthals lived alongside each other for thousands of years—until ...

A major transition in evolution is the shift from asexual to sexual reproduction in early organisms. But why would a yeast ...

A new study of wild bats reveals that an animal's immune system is shaped by more than its need to fight infections. Researchers from the University of Maryland have found that sex, age and ...

Taxidermied, locked behind plexiglass and spinning slowly on a wooden dais in the National Museum of Scotland in Edinburgh, UK, the world’s most famous ewe remains a public spectacle three decades ...

As America marks its 250th birthday, these Midwest landmarks reveal the people, places and events that helped define the ...