Meet Akidostropheus oligos, a real aquatic reptile from North America that looked a lot like the legendary Nessie, only ...

A traditional conch shell exercise is showing surprising benefits for people with obstructive sleep apnea.

Learn more about a Neanderthal "workshop" that was likely used to butcher and process animals.

Olympus Mons is the solar system's largest volcano. Astronomers say it holds clues to unraveling Mars' history.