During the Triassic period nearly 250 million years ago, a small reptile scurried after insects in the canopy of a lush ...

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

Spiders and scorpions have ruled as terrestrial predators for 400 million years, with their success often attributed to adaptations for life on land.