The most recent common ancestor of the stony coral Scleractinia dates to about 460 million years ago and was probably a solitary, heterotrophic and free-living organism.

The authors describe two transitional species of Sterictopathes from the Middle Ordovician of Shaanxi, China, bridging the fossil gaps and thereby elevating the genus Sterictopathes to a new family, S...

ALT: a man says it 's a great discovery in front of an american flag

This deep-sea polar worm looks like it can't decide if it's dressed for a glitzy party or a gruesome massacre.

ALT: a white discord logo with a wink on its eye

Based on phylogenomic and geometric morphometric analyses of 132 anglerfish species, the authors infer a Cretaceous origin of the clade and show that bathypelagic anglerfish are undergoing rapid pheno...