A newly discovered scorpion fossil is rewriting the story of ancient ecosystems. This rare find, named Jeholia longchengi, lived 125 million years ago and belonged to the Early Cretaceous Jehol Biota ...

Researchers estimate that golden-line fish first entered caves towards the end of the Miocene epoch, roughly 23 million to 5.3 million years ago, when water levels in China started receding.

Previous research suggested that golden-line fish moved into caves when China was drying up — so there was less water outside — towards the end of the Miocene epoch (23 million to 5.3 million ...