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, ...

Jan 16 (Reuters) - The incorporation of meat into the diet was a milestone for the human evolutionary lineage, a potential catalyst for advances such as increased brain size. But scientists have ...

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, ...

Life on Earth began in a way that still boggles the mind. Around 4.5 billion years ago, a chemical process called abiogenesis occurred, where life emerged from non-life. Imagine a hot, watery mix of ...

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 ...

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

A ritual dance honoring Yoruban ancestors is one of the countless examples of human culture. Jorge Fernández/LightRocket via Getty Images Of the 8.7 million species on Earth, why are human beings the ...

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 ...