New research from Anglia Ruskin University shows dinosaur fossils contain evidence of ancient cancers that could help modern ...

The Trump administration’s plan to weaken clean air protections could cause more than 10,000 asthma attacks per day while ...

New research shows 8,000-pound sloths once dug caves, adapted to oceans, and roamed widely—until climate and humans brought their downfall.

Scientists dated a Scottish fossil, Westlothiana, to 346 million years ago, revealing its role in early land animal evolution ...

Discovery of a 700-million-year-old creature rewrites the story of animal evolution, revealing surprising new origins of life ...

Study by UChicago, Smithsonian, UK Natural History Museum challenges assumptions about survival after global catastrophe ...

Fossil tracks from Australia reveal reptiles appeared 40 million years earlier than thought. The origin of reptiles on Earth ...

Thousands of fossils from the La Brea tar pits in California show no signs of mammals and birds evolving in response to ...

The massive megalodon was not hunting only large marine mammals such as whales as researchers widely thought, a new study of ...

New clues about our earliest ancestors suggest they may have reached Eurasia sooner than scientists once thought. Fossils ...

A team of experts assert it’s the jawbone of an ancient mosasaur. Dissenters in Alberta say it’s too good to be true. Testing ...