Known as the Cambrian Explosion, this flurry of rapid evolution produced most of the animal phyla and ecosystems we see around us today. And it may have taken off because some of those early animals ...

Scientists probing life’s deepest origins have uncovered evidence that the first free-living cells may have emerged not once, but twice. The findings suggest a striking possibility: life may share one ...

Some cynodonts may have been giving birth to live young much sooner in evolutionary history than previously assumed. A new ...

Besieged by confusing and contradictory advice on which diets are healthiest for us, Chris Simms enjoys a clear-eyed view from evolutionary anthropologist Daniel Lieberman in his new book ...

The microscopic structure of fossilized bones helps solve ‘inscrutable mystery’ about the reproduction of ancestor of true ...

Scientists may have uncovered evidence that a mammal ancestor was giving birth to live young 236 million years ago. A fossilized cynodont showed a neonatal growth line and an unusually large birth ...

An international team of researchers from Belgium, France, Switzerland, Spain and the U.S. has reconstructed the evolution of body mass in carnivorous mammals during the Paleogene—a crucial window in ...

Jason Arday, the school’s youngest Black professor, was found dead on Friday. The school ignored a series of warnings about his life story and his work. By Mara HvistendahlMegan SpeciaLeo SandsAli ...

Growth rings on a fossil bone suggest at least one mammal ancestor gave birth to live young rather than laying eggs 236 million years ago.