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One of the biggest quests in biology is understanding how every cell in an animal's body carries an identical genome yet ...

A microorganism whose evolutionary roots can be traced to the era of the first multicellular animals may provide a glimpse of how single-celled organisms made a critical evolutionary leap. In ...

A biologist explains the surprising evolutionary math behind how the blue whale became the largest animal that has ever lived ...

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

Once upon a time, there were a bunch of one-celled microbes, swimming, eating, reproducing, doing all the things that a one-cell bit of life can do. Then, some time later, there were their descendants ...

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 ...

From an incredible series of revelations about the ancient humans called Denisovans to surprising discoveries about tool making, this year has given us a clearer picture of how and why humans evolved ...

When a snake displays its fangs, it’s showing off one of evolution’s greatest weapons. This is because snake venom is not a ...

An artist’s impression depicts Kryoryctes at Dinosaur Cove in Australia. New research supports the hypothesis that Kryoryctes is a common ancestor of both the platypus and echidna. - Peter Schouten ...

To understand the origins of multicelled life, researchers are studying a motley assortment of simpler animal relatives. The commonalities they’re unearthing offer a trove of clues about our mutual ...