Kissing in humans evolved as a symbolic expression of love from grooming behaviours seen in ancestral great apes, a comprehensive new study says. The kiss has been a versatile way by which humans ...

Is God a singular, independent being? Or just an evolved projection of human's theory of what God should be? Slate's Jesse Bering finds himself asking these heady questions after an analysis of how ...

Scientists have long debated how modern humans evolved. For decades, most researchers agreed that Homo sapiens came from one ancestral group in Africa, dating back 200,000 to 300,000 years. But new ...

Modern humans, Neanderthals, and other recent relatives on our human family tree evolved bigger brains much more rapidly than earlier species, a new study of human brain evolution has found.

The partial skeleton of this small-bodied, relatively small-brained female captured the public’s imagination. Lucy the “paleo-rock star” took our major fossil evidence for bipedal walking, human-like ...

Like the latest iPhone model, new dog breeds drop all the time. In early 2025, the American Kennel Club officially announced the Danish-Swedish Farmdog as the 202nd recognized dog breed. It’s only the ...

The evolution of bones in primates' knees could have implications for how humans evolved to walk upright. The evolution of bones in primates' knees could have implications for how humans evolved to ...

Ever since a few enterprising bed bugs hopped off a bat and attached themselves to a Neanderthal walking out of a cave 60,000 years ago, bed bugs have enjoyed a thriving relationship with their human ...

Scientists have recently shed some light on exactly why elephants, one of the biggest animals on the planet, paradoxically experience unusually low rates of cancer. The research found these remarkable ...