Hidden in the tusk of a 34-year-old mastodon was a record of time and space that helped explain his violent death.

A televised 1990s killing in Zambia has striking similarities to Delia Owens’s best-selling book turned movie.

The vaccine for Hendra, a virus that can spread from horses to humans, has pitted owners against vets—revealing that science alone can't prevent the next global pandemic.

A visit to a facility in Guangdong province, where researchers are tinkering with monkey brains in order to understand the most severe forms of autism