A new study documents fighting and cannibalism between female joro spiders for the first time. But it’s unclear how this ...

One of the creepiest, crawliest creatures of the Earth may have been swimming before adapting to live on land, new research ...

The Goliath tarantula, one of the largest spiders in the world, is a fearsome predator that hunts everything from mice to ...

Half a billion years ago, a strange sea-dwelling creature called Mollisonia symmetrica may have paved the way for modern ...