This has been quite the wild year in human evolution stories. Our relatives, living and extinct, got a lot of attention—from ...

If we look across the whole of the mammal branch of the tree of life, we find there are many groups of mammals that have evolved testicles of all different sizes. In almost all these separate cases, ...

In most cases, evolution is a pretty slow process, taking hundreds if not thousands of years—but when humans enter the ...

Since the Middle Ages, the size of wild and domestic animals has largely been shaped by human selection: domestic animals are increasingly larger; wild animals increasingly smaller. During the 7,000 ...

This is an extract from Our Human Story, our newsletter about the revolution in archaeology. Sign up to receive it in your inbox every month. If I tried to recap all the new fossils, new methods and ...

Ronan the sea lion can dance to a lot of different songs, but there is something about “Boogie Wonderland,” by Earth, Wind and Fire that really gets her going. It didn’t take more than a few days for ...

Research on SARS-CoV-2 in zoo tigers, lions, and hyenas shows rapid viral evolution and adaptation, offering insights into cross-species transmission dynamics.

Researchers find Apennine brown bears evolved into a smaller, less aggressive animal after centuries of coexistence with ...

Two chimpanzees meeting with each other apparently have a discussion using hand gestures, one of the human-like characteristics of other mammals. (Getty Images) Of the 8.7 million species on Earth, ...

Eli Elster does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond their ...

Anna Jon-And receives funding from from the Swedish Research Council and has received funding from Knut and Alice Wallenberg Foundation. Johan Lind has received funding from the Swedish Research ...