WASHINGTON Some of the best-known dinosaurs, like Tyrannosaurus rex and Brontosaurus, may be headed for a divorce due to irreconcilable differences.
WASHINGTON The human nose, in all its glorious forms, is one of our most distinctive characteristics, whether big, little, broad, narrow or somewhere in between. Scientists are now sniffing out some of the factors that drove the evolution of the human proboscis.
WASHINGTON Fossils unearthed in India that are 1.6 billion years old and look like red algae may represent the earliest-known plants, a discovery that could force scientists to reassess the timing of when major lineages in the tree of life first appeared on Earth.
WASHINGTON Ancient DNA from dental plaque is revealing intriguing new information about Neanderthals including specific menu items in their diet like woolly rhinoceros and wild mushrooms as well as their use of plant-based medicine to cope with pain and illness.
WASHINGTON Ancient indigenous peoples had a far more profound impact on the composition of the vast Amazon rainforest than previously known, according to a study showing how tree species domesticated by humans long ago still dominate big swathes of the wilderness.
WASHINGTON Microfossils up to almost 4.3 billion years old found in Canada of microbes are similar to the bacteria that thrive today around sea floor hydrothermal vents and may represent the oldest-known evidence of life on Earth, scientists said on Wednesday.
WASHINGTON There's an old saying that elephants never forget. You also can say they almost never sleep.
WASHINGTON A technique using high-powered lasers to reveal hidden soft tissue alongside bones in fossils is giving scientists insight into one of the major evolutionary transitions in the history of life: small feathered dinosaurs taking flight as birds.
WASHINGTON Robert Michel, a gentlemanly Midwesterner who championed civility in Washington as House Republican leader but left Congress dismayed by the rise of conservative firebrands in his own party, died on Friday at age 93, a former aide said.
WASHINGTON Fossils including sharks, sea reptiles and squid-like creatures dug up in Idaho reveal a marine ecosystem thriving relatively soon after Earth's worst mass extinction, contradicting the long-held notion life was slow to recover from the calamity.