Nausea. Severe abdominal pain. Compulsive bathing. These are some of the hallmarks of cannabinoid hyperemesis syndrome, a ...

Twenty years ago, scientists found a three-foot skeleton on a tropical island. Where this human species fits in our ...

Discover the science behind human endurance and how our evolutionary adaptations give us the surprising ability to outlast ...

The two species began burying their dead at roughly the same time and place. Now some archaeologists think competition may have played a role in burials.

Scientists said on Thursday they found what is believed to be the world's largest coral, which has been growing undisturbed ...

While on assignment in Romania, photographer Jasper Doest found himself uncomfortably close to a bear—leading to an image that captures tensions conservationists face in the region.

One of the 20th-century's biggest quests was to find the “missing link,” a being who connected humans to their pre-historic ancestors. It was also the height of scientific racism.