A strange tiny species of crustacean has challenged the way we think about natural selection and evolution. This microscopic animal, known as a water flea or Daphnia pulex, generates genetic variation ...

Giant amphipod species Alicella gigantea, once thought to be very rare, is found to inhabit the majority of Earth's deep ...

Evolution keeps making crabs. In fact, it's happened so often that there's a special scientific term for an organism turning crab-like:... Evolution keeps making crabs. We asked a scientist why ...