The brain constantly blends split-second reactions with slower, more thoughtful processing, and new research shows how it pulls this off. Scientists discovered that brain regions operate on different ...

Decades ago, India’s tigers were on the brink of extinction. Slowly, their numbers have rebounded. But that ecological success has prompted a dire problem—and a race to save many of them from genetic ...

A woman's body has been found to consist of varying proportions of male and female cells because of an extremely rare form of ...

Biologists are quietly rewriting what it means to be alive, and the human body has become one of their strangest frontiers.

In the damp understory of forests in Taiwan, mainland Japan, and Okinawa, a plant called Balanophora can fool you at first ...

A Brazilian woman was shocked to learn that she was carrying male chromosomes. The doctors found out about it after she had a ...

Radio waves from Earth have been moving through space for more than a century. They did not start as part of any grand plan ...