A flat, rounded shell. A tail that's folded under the body. This is what a crab looks like, and apparently what peak performance might look like — at least according to evolution. A crab-like body ...

Recent studies hint that crabs, lobsters, and other crustaceans experience pain and discomfort in ways we hadn't fully understood before.

From the "Little Mermaid" character Sebastian to pet hermit crabs, people think crabs are wonderful — but some experts believe the way we treat crabs is downright barbaric. "If crustaceans screamed ...

If you have ever looked closely into a rockpool along the U.K. coastline, you may have been lucky enough to find a tiny hermit crab scuttling about. What you might not realize is that hermit crabs are ...

Here’s what you’ll learn when you read this story: Carcinization is the separate, five-time evolution of crabs. Parallel evolution isn’t unheard of by any means, but crabs have done it a lot. Their ...

Far below the ocean’s surface, beyond sunlight and far from conditions most animals could handle, lives a crab that looks ...

Fiddler crabs in Colombian mangroves swallow microplastics, concentrate them, and break them into smaller fragments during ...

Four new species of freshwater crab, bright purple in colour, have been discovered in the biologically diverse but ecologically-threatened Philippines, the man who found them said Saturday.

Carcinization is the separate, five-time evolution of crabs. Parallel evolution isn’t unheard of by any means, but crabs have done it a lot. Their repeated similar evolution makes them interesting to ...