They are the focus of many diplomatic skirmishes, but how are rare earth minerals used and where are they found?

The 'clinic' in a box' is a remote doctor's appointment that can take place anywhere.

Can you picture a decillion dollars in your head? We find out why our brains can't handle large numbers.

Researchers have found that poor sleep quality could make your brain age faster.

A nonprofit in Tanzania is training African giant rats in scent detection to fight wildlife trafficking.

How pranayama, the ancient art of controlled yogic breathing, can help to reduce anxiety.

We ask board-certified dermatologists Bruce Brod and Dee Anna Glaser to explain how lip balm works.

The US has issued a solar storm watch. So what damage could these explosions wreak on our vulnerable planet?