Fossil egg found in Antarctica suggests marine reptiles laid eggs, challenging previous beliefs about ancient life.

The energy company’s sponsorship is a reminder of how football feels morally compromised on environmental issues ...

A 1.6-million-year-old Ethiopian skull blends ancestor and descendant features, rewriting the origin story of Homo erectus.

A funding crisis at the Museum of the Earth and the Paleontological Research Institution in Ithaca, N.Y., could scatter ...

The tallest plants alive today can grow to over 100 meters tall. But they evolved from ancestors that were just a few ...

Deep beneath the hillsides and suburbs of Brazil, there are tunnels so vast and regular that they look like abandoned subway ...

Huge tunnels under southern Brazil and northern Argentina were potentially made by giant, Ice Age sloths for refuge and rest ...

Sloths weren't always slow-moving, furry tree-dwellers. Their prehistoric ancestors were huge — up to 4 tons (3.6 metric tons) — and when startled, they brandished immense claws. Video above: ...

A San Jose high school is investigating an antisemitic incident on campus. The students formed a swastika on the Branham High School football field then posted it, along with an antisemitic message, ...

The Green Anaconda is the heaviest snake on Earth today. For decades, many paleontologists suspected that the snake started out smaller and grew over the years. A new Cambridge study says otherwise.

A study of anaconda fossils shows that these snakes reached their maximum size 12.4 million years ago and then stopped growing. As some of the planet’s largest snakes, anacondas commonly measure 4 to ...