This deep-sea polar worm looks like it can't decide if it's dressed for a glitzy party or a gruesome massacre.

Life on Earth started in the oceans, meaning that's a pretty good place to start looking for life elsewhere. In order to find ...

If Mimas is an ocean world, it doesn’t look like one, so this changes how planetary scientists should think about Saturn’s many mid-sized moons. It also means, say the authors, that ...