For more than half a century, some of Earth’s strangest fossils looked like they had washed in from an alien world. Pillow-shaped impressions, quilted fronds and ribbed disks sat in museum drawers, ...

Scientists discover 90 new species in Chinese fossils revealing how deep-ocean refuges preserved life after mass extinction ...

Half a billion years ago, a shallow sea in what is now Siberia teemed with creatures that look more like science fiction than prehistory. Locked in that ancient seabed, scientists have now identified ...