Emotional tears are a uniquely human behavior. Research suggests they evolved not for eye health but as a powerful social ...

Crying is one of the most recognizable human emotional signals. Tears appear when people experience grief, relief, joy, or ...

Human beings have been at the center of ecological change on Earth for thousands of years. But as history shows, no species ...

A new University of California San Diego study published in Cell challenges a long-standing assumption about how animal ...

Most people today have a little Neanderthal DNA sprinkled through their genome. Exactly what these interactions looked like is a mystery, but a new study suggests that when our species and ...

Humans are often described as “super-predators,” but wildlife may not respond to us as uniformly as once thought. People have ...

Scientists learned that wild African chimpanzees consume alcohol by eating fermented fruit, suggesting that human attraction to alcohol may have ancient evolutionary origins.

Orcas are among the ocean’s top predators, yet there is only one well-documented attack on a human in the wild: in 1972, a surfer was bitten – probably because he was mistaken for a seal – but ...

A preference for pairings between male Neanderthals and female Homo sapiens may answer the question of why there are "Neanderthal deserts" in human chromosomes.

The idea that extreme climate change could one day cause a mass extinction and end the human dominance is not as farfetched ...

A new study suggests that the deadly insects evolved their taste for human blood much earlier than previously thought, around when Homo erectus migrated into Southeast Asia ...