Life may be able to thrive at even more extreme conditions below the sea floor than previously thought, according to scientists who found a microbe able to convert nitrogen to energy at temperatures far higher than was known before.

It's not that they don't ponder the the potential consequences. In fact, a new study finds teens spend more time weighing risk than adults.

Women with body-image problems eat less in the presence of other women. Men eat more.

The Bush administration is clamping down on scientists at the U.S. Geological Survey, who study everything from caribou mating to global warming, subjecting them to controls on research that might go against official policy.

The brain and skull have a lot in common with latex and toothpaste, at least when it comes to electrical conductivity, scientists now find.

Earlier this month, a tornado struck Alexandria, Egypt. This rare occurrence was caught on camera by an astronomer lucky enough to come face to face with the twister.