Rocks gathered along the Colorado River contained evidence of a bustling community of animals in an ancient sea.

Astronomers have likely witnessed a planet forming in real time, seen inside a spiral arm of the HD 135344B protoplanetary ...

The discovery, in a bizarre animal not closely related to birds, could change how scientists think about the origin of ...

In the 1950s, Stanley Miller and Nobel laureate Harold Urey conducted experiments at the University of Chicago in which they ...

The ice cores could offer clues about a period known as the Mid-Pleistocene Transition that has long puzzled scientists ...

In a twist worthy of a detective novel, a long-misidentified fossil at Harvard's Museum of Comparative Zoology (MCZ) has ...

In a cosmic first, scientists watched planet-forming materials begin to solidify around a newborn star, offering a peek into ...

Evidence that rocky planets beyond Jupiter formed as rapidly, and at the same time, as the inner planets could transform our understanding of how planets take shape — not only in our solar system, but ...

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

Over the past two billion years, this supercontinent cycle has produced at least three major supercontinents: Columbia, Rodinia, and Pangea. Each one formed as landmasses gradually collided, only to ...

Earth has experienced both hot and cold periods over time, though warm times have been more common. That’s true of the last 485 million years, as seen in this timeline reported in 2024. Our genus, ...