Hurricane Earl pounded North Carolina on Friday as it sped up the U.S. East Coast, threatening dangerous waves and riptides across the eastern seaboard.

An autonomous turbine swarm in the works could tap the power potential in the Gulf's underwater currents. But should we even go there?

A group of people who lived nearly 2,000 years ago in Sudanese Nubia took doses of tetracycline -- through their beer.

The technology pushes against Earth's magnetic field for propulsion.

Nine years after the attacks of 9/11, the psyches of people who were even distant from the events, show permanent changes.

Talk about your David and Goliath story: ant colonies have found a way to ward elephants away from their turf with painful, precise attacks.

A new study has found that the mantle plume that feeds Yellowstone's famous geysers is even more powerful than anyone ever thought.