Once thought as the least evolved of the mammals that roam our world, new research shows that marsupial evolution might actually be further along than even humans. This old bias towards the creatures ...

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 ...

Researchers found genetic differences that likely resulted from humans killing aggressive bears, leaving docile individuals ...

Not all mosquitoes are created equal, even if it feels that way when they bite you. There are about 3,500 species of mosquitoes around the world, but only a few are responsible for spreading ...

Humans evolved large brains and flat faces at a surprisingly rapid pace compared to other apes, likely reflecting the evolutionary advantages of these traits, finds a new analysis of ape skulls by UCL ...

We’re living in a weird time on Earth: a period when our planet has ice. Amid persistent and frequent record heat, it may be surprising to hear that Earth is currently relatively cool — at least in ...

Life makes mistakes. A major genetic study shows how some of those mistakes worked out well for humans. By Jocelyn Solis-Moreira Published Apr 27, 2023 2:00 PM EDT Get the Popular Science daily ...

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 ...

Bacterial strains in the gut microbiome genetically diversified with human populations as they spread out of Africa and across the globe, according to a new study. This parallel evolution, or ...

We each carry thousands of different species of microorganisms in our gastrointestinal tracts, and that gut microbiome has a powerful influence on various aspects of our health. Scientists have been ...

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 ...