WASHINGTON - Dinosaurs, those bygone masters of the planet, were warm-blooded just like today's mammals, according to a scientist who judged their metabolism using body mass and growth rates deduced from fossils of species including Tyrannosaurus rex.
CHRUDIM, Czech Republic - Scientists battling a bee-killing disease are about to start testing a new weapon -- a sun-heated hive designed by a Czech high school teacher.
Pittsburgh, Pensylvania - Researchers have taken their serpentine machines, developed over decades at Carnegie Mellon University in the United States, and connected them to a central hub to create one of the most robust robots ever developed. Its creators have named it the Snake Monster. | Video
NEW YORK - Amid evidence of fraud in a high-profile study on how canvassers can convince people to back same-sex marriage, the journal Science, which published the study, retracted it on Thursday.
WASHINGTON - Jaw and teeth fossils found on the silty clay surface of Ethiopia's Afar region represent a previously unknown member of humankind's family tree that lived 3.3 to 3.5 million years ago alongside the famous human ancestor "Lucy," scientists say.
WASHINGTON - This 430,000-year-old case may be the world's oldest murder mystery.
WASHINGTON - The U.S. Air Force on Tuesday said it has certified privately held SpaceX to launch U.S. military and spy satellites, ending a monopoly held by United Launch Alliance, a joint venture of Lockheed Martin Corp and Boeing Co, since its creation in 2006.
WASHINGTON - The White House said on Tuesday the ethical issues associated with gene-editing on the human genome need further study by the scientific community and should not be pursued until issues are resolved.
LONDON - The life sciences industry is increasingly taking over from the tech sector in driving global innovation, according to a Thomson Reuters analysis of global patents.
CAPE CANAVERAL, Fla. - A Space Exploration Technologies Dragon cargo capsule made a parachute splashdown into the Pacific Ocean on Thursday, wrapping up a five-week stay at the International Space Station.
WASHINGTON - U.S. personnel working at an Army facility in Utah appeared to follow correctly all the outlined procedures to inactivate anthrax before they mistakenly shipped off live samples of the deadly bacteria, the Army's top general said on Thursday. | Video