New archaeological research has found that Homo erectus, an extinct species of primitive humans, went extinct in part because they were "lazy"

A study that examined the shape of hundreds of fossilized shark teeth suggests that modern shark biodiversity was triggered by the end-Cretaceous mass extinction event

Our species' ability to occupy diverse and "extreme" settings around the world stands in stark contrast to the ecological adaptations of other hominin taxa

When sea creatures first began crawling and slithering onto land about 385 million years ago, they carried with them their body armor: scales

The strength required to access the high calorie content of bone marrow may explain why primates' hands are not like ours

A study reported in the journal Science offers an enhanced view of the origins and ultimate fate of the first dogs in the Americas

Findings from the most complete foot of ancient human child ever have been reported

Researchers analyze how competitive team sports shaped the physical and psychological skills of early humans

How 70,000 years of human interaction have shaped an icon of wild nature

A study on instinctive behavior elucidates a synaptic mechanism for computing escape decisions