Researchers have discovered fossil human footprints embedded in an ancient lakebed that show humans inhabited North America ...

A giant marine predator, once believed to roam only the seas, may have also inhabited ancient rivers 66 million years ago.

A Mazon Creek fossil shows a horseshoe crab riddled with pits, likely from microbes or parasites, revealing a ...

A newly discovered dinosaur species, was hidden in museum archives for over a century, challenging long-held beliefs about ...

New fossils link a strange 3.4-million-year-old foot to Australopithecus deyiremeda, a species that mixed climbing skills with its own style of bipedal walking. The evidence shows that multiple early ...

The Goblin shark has survived nearly unchanged since ancient oceans, earning its reputation as a true living fossil. This video walks through its discovery, its transparent skin that reveals blood ...

The Pachycephalosaurus skull belonged to a dinosaur with a domed-shaped head that lived around 67 million years ago ...

A 430-million-year-old fossil reveals that the first leeches were ocean predators, not bloodsuckers. The discovery radically shifts the timeline of leech evolution by more than 200 million years.

A team of researchers has discovered 16,600 footprints belonging to theropods — the dinosaur group that includes the ...

Since the time of the dinosaurs, cycad plants may have attracted insects using infrared light. It may be the world's oldest ...

When the early Earth’s magma ocean crystallized 4.4 billion years ago, the deep mantle trapped an ocean’s worth of water, ...

The National Museum of Natural History’s new Pachycephalosaurus skull sheds light on enigmatic group of dinosaurs and will be ...