Roughly 425 million years ago, in the warm seas over what is now southern China, there lived a meter-long bony fish with jaws ...

A newly described Patagonian fossil reveals the evolutionary origins and global spread of the tiny alvarezsaur dinosaurs.

After years of analysis, the animal turned out to be an entirely new species — one that lived millions of years longer than ...

For more than half a century, nuclear power has faced strong public opposition driven by fears of catastrophic accidents. Meanwhile, fossil fuels continue to dominate the global energy system despite ...

The fossilized remains of a creature with a twisted jaw and sideways-facing teeth have been discovered in the Amazon jungle. Scientists say the plant eating reptiles now called Tanyka consisted of ...

Marine fossils discovered near the summit of Mount Everest reveal that the world’s highest mountain was once part of an ancient ocean floor before tectonic collisions lifted the Himalayas.

Paleontologists surveying a dry riverbed in northeastern Brazil repeatedly encountered the same type of fossil: a lower jaw ...

Roughly 425 million years ago, in the warm seas over what is now southern China, there lived a metre-long bony fish with jaws full of clusters of ...

In a dry riverbed in Brazil, in a dense forest near the Amazon, a team of paleontologists found a fossilized jawbone from an ...

Researchers believe these creatures started out on four legs and later began walking on two legs as they grew.

Researchers discovered that a 215-million-year-old reptile started life on four legs and switched to two as an adult.

Scientists discovered a bizarre 275-million-year-old aquatic animal with sideways teeth and a twisted jaw in Brazil, revealing a rare “living fossil” lineage from the Permian period.