Giant string of organic molecules on Mars may be one of the best signs of life yet Live Science

Scientists have determined that a giant skull from an ancient human relative named the "Dragon Man" is actually Denisovan.

A newly identified mutation helps super-sleepers get by on just four to six hours of shut-eye per night, while the rest of us need around eight hours. Researchers described the…

Fossils of 444 million-year-old creatures whose bodies were preserved "inside-out" have been discovered in South Africa.