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

Giant, intelligent octopuses may have once ruled the ancient seas. Modern octopuses are known for their intelligence and ...

This was not a polished museum fossil hunt it was a muddy river adventure through limestone banks, gravel bars, and fast-moving water. Almost everywhere they stopped, they found signs of ancient ...

After a Florida river stayed flooded for weeks, the water finally dropped low enough for fossil hunters to walk the freshly exposed banks. What they found was not just a few shells — it was a layer of ...

Earth's shallow ocean contained oxygen earlier than expected, rewriting the history of the origin of life during the "Boring ...

An ancient ocean retained oxygen despite global warming, revealing unexpected insights into oceanic climate change.