Half a billion years ago, the first true eye emerged in Earth’s oceans. Fossils now reveal what that ancient crystal vision could actually see.

Perhaps unsurprisingly, there are quite a few Star Wars fans among biologists. These ones have used their opportunity to name a new species to make reference to their beloved franchise.

Slaking is living the dream. In Pokédex entries for multiple regions, it is called "the world's laziest Pokémon" — a giant ...