Fossils reveal that there were at least two kinds of koala when humans first arrived in Australia, but one died out about ...

An extinct koala species has been discovered in Western Australia. Climate change 28,000 years ago erased its habitat.

A long-neglected fossil seems to show the evolutionary leap that let the ancestors of today’s many-legged arthropods crawl ...

That's the number of specimens—including plants, animals, minerals, and human artifacts—curators estimate are held in the ...

Pollen, algae, insects, radiolarians – each unique microfossil holds clues to how Earth has changed over millions of years.

New research shows fossil skin can reveal color patterns in young Diplodocus, changing old ideas about sauropod appearance.

In a hillside in Yunnan province, southwest China, paleontologists have pulled more than 700 fossils from rock that is ...

Miners in Alberta unearthed a remarkably complete armored dinosaur, Borealopelta markmitchelli. This fossil, preserved with ...

In the red-brown siltstones of Yunnan province, southwest China, paleontologists have found something that was not supposed ...

Scientists found preserved blood vessel structures in a T. rex fossil, offering new insight into dinosaur healing and fossilization.

A tiny ancient reptile just revealed the moment breathing as we know it began — and it changed life on Earth forever.