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

New research shows humans may have brought wolves to a remote island, fed them, and cared for them thousands of years ago.

Now, Japanese researchers are moving a promising, tooth-regrowing medicine into human trials. If the trial is successful, the ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to ...

Keep that in your back pocket for the next time someone tells you that you’re too sensitive – you can’t help it.

Researchers found genetic differences that likely resulted from humans killing aggressive bears, leaving docile individuals ...

Penguins do not react to people the way most wild animals do. When a human appears on an Antarctic shoreline, many penguins ...

Humans have spent centuries shaping the world. But nature wouldn’t hesitate to take over if we suddenly disappeared.

A newly identified region on Mars may hold the key to future human landings. Researchers found evidence of water ice less ...