Researchers have shed new light on the features that enable tree-dwelling mammals to move effectively through their ...

A new study explains how climbing down trees helped shape upright posture in early primates and changed the course of evolution.

Imagine zooming out on a giant family tree that includes every bird you have ever seen. Ostriches sprint across open plains, ...

We humans have long viewed ourselves as the pinnacle of evolution. People label other species as “primitive” or “ancient” and ...

Researchers have shed new light on the features that enable tree-dwelling mammals to move effectively through their environments, providing insights ...

A new study from Caltech explores the remarkable way a SoCal beetle infiltrates the colonies of the ant that runs the show in ...

Life on Earth may have learned to breathe oxygen long before oxygen filled the skies. MIT researchers traced a key oxygen-processing enzyme back hundreds of millions of years before the Great ...

A newly identified tiny dinosaur, Foskeia pelendonum, is shaking up long-held ideas about how plant-eating dinosaurs evolved. Though fully grown adults were remarkably small and lightweight, their ...

Oxygen is a vital and constant presence on Earth today. But that hasn't always been the case. It wasn't until around 2.3 ...

Scientists found a 307 million-year-old fossil, Tyrannoroter heberti, revealing one of the earliest known land vertebrates ...

Controversial 2025 study "represents the encroachment of pseudoscience into the heart of biological research." ...