Ancient Microorganisms Provide Strong Evidence of Life in the Universe
A new analysis of the oldest known fossil microorganisms provides strong evidence to support an increasingly widespread understanding that life in the universe is common….
Paleobiology
Ancient Fossil Reveals New Details About How Brittle Stars Functioned
Biologists from Yale University have found an ancient fossil relative of sea urchins and starfish that displays a markedly different water vascular system — used…
A New Birth Story for Gigantic Marine Lizards That Once Roamed the Oceans
Paleontologists now believe that mosasaurs gave birth to their young in the open ocean, not on or near shore. They weren’t in the delivery room,…
Jawless Vertebrate Conodont Had Sharpest Yet Minuscule Teeth
The conodont, an extinct primitive marine vertebrate, had the sharpest teeth ever known, with tips just one-twentieth of the width of a human hair, and…