Human laughter may trace its evolutionary beginnings to vocalizations made during play. This type of "laughing" is found in many mammals and even in some birds.

What’s particularly exciting about finds like this is that we just so rarely have wood preserved for that long,” the study’s ...

International research team from Germany, the UK and Greece finds evidence of wooden tool use in Greece 430,000 years ago ...

The role for which a dog was bred—say retrieving birds—is reflected in their brain structure, according to a study of 33 breeds.

This experimental study used life-sized and screen-based 3D male avatars to test how penis size, height, and body shape ...

Little Foot is a nearly complete ancient skeleton found in the Sterkfontein caves in South Africa that could change how ...

Or you can attempt a truce. Buy a cheap feeder, fill it with corn, and put it 10 feet away from your bird feeder. Squirrels ...

Despite lacking a hippocampus entirely—and having diverged from the mammalian lineage roughly 400 million years ago—larval ...

“Hundreds of fossils representing over a dozen species of Ardipithecus, Australopithecus, and Homo had been found in the Afar ...

A rare Homo habilis skeleton from Kenya reveals how early humans moved, climbed, and adapted more than two million years ago.

A new study, published today by the scientific journal Nature Ecology & Evolution, provides an interesting overview of the relative frequency in which same-sex behaviors have been observed in an ...

Add Yahoo as a preferred source to see more of our stories on Google. Genetic information from the "Dragon Man" skull has linked the fossil, found in China, to the Denisovans. - Hebei GEO University ...