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A study of chimpanzees' cognitive abilities suggest that some chimps are more intelligent than others, with genetic influences accounting for about half of the variability, say researchers.
Herds of duck-billed dinosaurs in what is today Alaska's Denali National Park left behind 'one of the great track sites of the world.'
Oceanographers spotted a dark, swirling mass in shallow waters off the coast of San Diego. It wasn't a red tide or an oil spill, but a massive school of anchovies.
A single gene in a multicellular alga could offer clues for the genetic origins of the sexes.
A fossil site in British Columbia has yielded its first ancient mammals, including a miniature tapir and a hedgehog smaller than a mouse.
Researchers used fossils of an ancient arachnid to create a video simulating how the creature may have moved.
Pelagornis sandersi's size exceeds some predictions of the maximum size for flying birds, note researchers.
A new fossil, Pelagornis sandersi, may have had the largest wingspan of any flying bird to exist, according to researchers. Once in the air, the humungous bird glided on air currents.
More than 500 marine fossils, including giant shark teeth and portions of a whale skeleton, have been unearthed at the Calaveras Dam project in Fremont, Calif.
Tibetans are adapted to rarefied air thanks to a gene passed down from the Denisovans, a group of extinct humans markedly distinct from our own species.