The Cambrian Explosion is a landmark moment in the history of life on Earth when many of the major groups of animals first ...

Carcinization is an example of a phenomenon called convergent evolution, which is when different groups independently evolve the same traits. It's the same reason both bats and birds have wings.

Cats and dogs are evolving to look alike, and it’s all humans’ fault - Scientists made the strange discovery after scanning 1,810 animals’ skulls ...

Crabs are one of the oldest inhabitants on Earth and are a result of millions of years of evolution from different animals.

Crabby bodies are so evolutionarily favorable, they've evolved at least five different times. So why does this process, known as carcinization, keep happening?

It's not easy to look at a sea spider and see an animal so representative of its kind that it may help scientists sort out ...

Animals Keep Inexplicably Evolving Into Crabs. Could Humans Be Next? If we became crab-like it would be a slightly horrifying experience, an expert tells us.

A new study suggests the platypus and echidna — the only egg-laying mammals — had a water-dwelling ancestor. The finding could upend what’s known of their evolution.

Animals Keep Evolving Into Crabs, Which Is Weird Real (Not Synthetic) Crab Blood Can Save Your Life Crabs Could Help Replace Lithium-Ion Batteries Still, there’s an elephant in the room.

Yes and no: It depends on how you classify animals. There are two main classification systems – the Linnaean system which groups organisms by characteristics and the phylogenetics system, which ...

New research proves comb jellies are a unique lineage or “sibling group” whose ancestors diverged before the common ancestor of all other animals.

A new study suggests the platypus and echidna — the only egg-laying mammals — had a water-dwelling ancestor. The finding could upend what’s known of their evolution.