The Xenomorph from the Alien film franchise is one of the coolest, most nefarious movie monsters ever hatched, with its acid blood, mouths-within-mouths, and diabolical claws. It pretty much ...

Scientists discovered that river otter droppings contain large numbers of parasites that infect the animals’ prey, indicating that otters may play a significant role in shaping local food webs.

Utah biologists have characterized D. woaabi, the first of two nematode species recently discovered in the lake’s ...