This month, you can fly along the Gulf of Mexico seafloor and explore a strange ecosystem fueled by chemicals instead of sunlight, all from your computer.
10 ways animals live longer
Mars may possess a stark and austere beauty, but a manned Red Planet mission will likely not be easy on the eyes.
More than a half century has passed since Packy the elephant's newsmaking birth at the Oregon Zoo. He's now a six-ton senior citizen and considered geriatric at age 52.
Herbs and other dietary supplements besides vitamins are the most commonly used type of "complementary medicine" (also called alternative medicine) in the United States,...
More than 100 years after dinosaurs were first displayed on the National Mall, T. rex — the king — is joining the Smithsonian collection after a 2,000-mile journey from Montana.
The cost of keeping global warming in check is "relatively modest," but only if the world acts quickly to reverse the buildup of heat-trapping gases in the atmosphere, the head...
Pollution from China's coal-burning power plants is pumping up winter storms over the northwest Pacific Ocean and changing North America's weather, a new study finds.
NASA’s Saturn-orbiting Cassini spacecraft has imaged something peculiar on the outermost edge of the gas giant’s A-ring. A bright knot, or arc, has been spotted, 20 percent...
The moon took on an eerie blood-red hue early Tuesday during the first total lunar eclipse of 2014, a celestial sight that wowed potentially millions of stargazers across North...