Recent breakthroughs suggest that hydrogen reservoirs are buried in countless regions of the world, including at least 30 U.S. states ...

A new study suggests two fossil trackways found in Australia were made by an early amniote, a group that today includes ...

It happened 4.5 billion years ago, when the solar system was full of orbiting space rocks. This debris clumped up in a ...

A storm as ferocious as the one of 12,350 BC would likely cause complete mayhem if it were to strike Earth and its ...

Fossilized tracks from an early reptile are now the oldest known reptilian tracks, meaning the tetrapod ancestor most likely ...

After a brief rain 350 million years ago, a reptile pressed its claws into the ground. Its tracks now show the oldest-known ...