Photos show the sea slug, which looks more like a misshapen jellyfish than a slug. Its internal organs are brightly colored and clearly visible. Bathydevius caudactylus moves “by flexing (its) body up ...

In a strange episode in the animal kingdom, a captive marine animal merged with another of its kind to become a single ...

Scientists have uncovered new details about the so-called immortal jellyfish. The comb jelly, also known by its scientific ...