CAPE CANAVERAL, Fla. An analysis of radar images that peered inside the polar ice caps of Mars shows that Earth's neighbor is coming out of an ice age that is part of an ongoing cycle of climate change, scientists said on Thursday.
CAPE CANAVERAL, Fla. NASA called off an attempt to inflate an experimental habitat attached to the International Space Station after the fabric module failed to expand as planned on Thursday.
LONDON Heat-tolerant Angus beef cattle designed for the tropics with white coats instead of black or red. A button mushroom that doesn't turn brown. Pigs that don't fall sick. | Video
Scientists have recorded the first ever microscopic movies of water being vaporized by the world's brightest X-ray laser. | Video
WASHINGTON Mysterious ring-shaped structures fashioned about 176,000 years ago by Neanderthals using broken stalagmites deep inside a cave in southwestern France indicate that our closest extinct relatives were more adept than previously known.
An experimental airplane powered solely by energy from the sun landed in Ohio on Saturday night on the latest leg of its historic bid by pilots and developers to fly around the globe without a drop of fuel. | Video
The unusual secretions of the Atlantic hagfish are being studied by scientists who want to harness the viscous and elastic properties of the creature's slime for human use. | Video
NEW YORK Biotechnology company Regeneron Pharmaceuticals Inc on Thursday became the title sponsor of the most prestigious U.S. science competition for high school students, taking the baton from chipmaker Intel Corp.
LOS ANGELES A giant NASA fuel tank completed its final journey on Saturday, with crowds cheering on its parade along Los Angeles streets to a science center where it will go on display with the U.S. space shuttle Endeavour.
TOKYO Japanese developers of a robot are asking the public to come up with ideas for what their waist-high humanoid can do and they are offering a software development kit for programmers to get creative.
ISE-SHIMA, Japan/LONDON Britain told the G7 industrial powers on Friday to do more to fight killer superbugs as the United States reported the first case in the country of a patient with bacteria resistant to a last-resort antibiotic.