Comet Lemmon and Comet SWAN will be closest to Earth as a new moon sets up prime viewing conditions. Add in a meteor shower and we may get spectacular sky gazing.

Out in the cold, blue stretch of water between Washington State and Canada, a small team of scientists is on a mission to save one of the rarest whale populations on the planet, the southern resident ...

Octopuses can follow scent trails to find food, even in darkness, researchers discovered. They don’t swim straight, but ...