WASHINGTON - This may be the role reversal to end all role reversals.
NEW YORK - Scientists have moved a step closer to the goal of creating stem cells perfectly matched to a patient's DNA in order to treat diseases, they announced on Thursday, creating patient-specific cell lines out of the skin cells of two adult men.
CAPE CANAVERAL, Florida - For the first time, scientists have found an Earth-sized world orbiting in a life-friendly zone around a distant star.
NEW YORK - How can creatures as different in body and mind as present-day humans and their extinct Neanderthal cousins be 99.84 percent identical genetically?
WASHINGTON - You can forget about the birds and the bees. If you really want to learn how babies are made, you need to know about Juno and Izumo.
WASHINGTON - You've heard of the Model T Ford, the famed early 20th-century automobile that was the forerunner of the modern car. But how about the Model T shark?
TAMPA/WASHINGTON - The U.S. intelligence community has thrown its support behind a bid by commercial space imagery provider DigitalGlobe Inc to sell higher resolution images from its satellites, the leading U.S. intelligence official said Tuesday.
CHICAGO - China's rejections of a banned variety of genetically modified U.S. corn have cost the U.S. agriculture industry up to $2.9 billion, a grain group said on Wednesday in the first estimate on losses from the trade disruptions.
PARIS - France's lower house of parliament adopted a law on Tuesday prohibiting the cultivation of any variety of genetically modified maize, saying it posed a risk to the environment.
CAPE CANAVERAL, Florida - Parts of the world saw a rare celestial event on Tuesday when the Earth's shadow fell across the moon, turning it orange. | Video
WASHINGTON - President Barack Obama mounted a vigorous effort on Thursday to show his signature healthcare law is working and dismissed Republican critics who are using flaws in Obamacare to campaign for ousting Democrats from the U.S. Congress in November. | Video