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 ...

Across a wind-swept basin in Saudi Arabia’s Nefud Desert, a now-vanished lake once attracted wildlife during a brief climatic ...

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

These symptoms make it all the more incredible that in 1999, radiologist Anna Bågenholm made a full recovery after her body temperature dropped to 56.7 degrees Fahrenheit. It’s the lowest body ...

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

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

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

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 ...

Bill shape affects how efficiently a hummingbird feeds and how it competes with other hummingbirds. Because of humans, they ...