Holes found in ancient clams reveal that octopuses have been drilling into their prey for at least 25 million years longer than was previously known.
Mammoths evolved to handle the cold over hundreds of thousands of years and North America may been home to a hybrid species, a new study finds.
Evidence of early life may be harder to preserve than pseudofossils — structures that form abiotically but resemble living remnants.
Right up until 66 million years ago, the sea was a teeming evolutionary laboratory with a small, agile, razor-toothed mosasaur patrolling the waters.
In 1971, a scientist argued for a landbound Brontosaurus instead of a swampy swimmer. Recent evidence comes from studies of its ancient environment.
20-million-year-old tunnels unearthed in Taiwan may have been home to creatures that ambushed prey similar to today’s monstrous bobbit worms.
Preserved pieces of backbone suggest that megalodon sharks were about 2 meters long at birth.
New dinosaur fossil dates to same time as a volcanic surge, suggesting ensuing changes in plant life allowed these long-necked giants to emerge.
A tiny amphibian that lived 99 million years ago waited for invertebrate prey before snatching them with a swift, shooting tongue.
When North and South America joined millions of years ago, mammals from the north fared better in the meetup. Extinctions in the south may be why.