New study suggests megalodons may have grown 15 feet longer than some previous estimates, had enormous babies, and didn't look like supersized great white sharks.

How and when domestic cats arrived in China has been a mystery. A new analysis of cat DNA suggests traders and diplomats likely carried the pets with them along the Silk Road 1,400 years ago.

Psychological scars were deep and usually unhealed. Over 70% of people reporting a psychosomatic or mental misdiagnosis said that it still upset them. And over 80% said that it had damaged their ...

A first-of-its-kind stem cell transplant has changed the life of a man who was left blind in one eye following a firework accident.

Mount Roraima is a flat-topped formation with crystal-clear pools, waterfalls and a unique ecosystem that has been isolated from the surrounding savanna for millions of years.

Predictions on the dawn of the AI singularity vary wildly but scientists generally say it will come before 2040, according to new analysis, slashing 20 years off previous predictions.

Humanity has been hunting for sex-based differences in the brain since at least the time of the ancient Greeks, and it has ...

Our science journalists reported on the Stand Up for Science rallies held in New York City and Raleigh, North Carolina.

The metal suits worn by knights during the Middle Ages were originally designed to protect against weapons such as swords. But could medieval armor also stop bullets?

Researchers 3D-printed a model penis that could successfully become erect just like the natural version, parts of which were then implanted into pigs and rabbits with erectile issues.