Over 500 million years ago, a small marine creature swam through Cambrian waters. Its name: Mollisonia symmetrica. Long ...

Finely preserved brain features in a tiny marine arthropod fossil suggest that arachnids – spiders and their close kin – may ...

Ancient lungfish jaws tell a complex evolutionary story. New 3D analysis uncovers surprising feeding adaptations. Ancient ...

The Orion Nebula, the Pleiades and the Hyades open clusters could represent the different phases of star clusters: baby, adolescent and elderly.

The tiny 'backward' brain of an ancient sea creature hints that spider ancestors might have gotten their start in the ocean.