Researchers uncovered the oldest known salmon species, showing that northern fish have ancient Arctic roots dating back 73 ...

University of Wyoming researchers used CT scanning to see how much of the fossilized bones in an historic dinosaur were real.

“The fossil evidence suggests dinosaurs had at least small parasites,” said Jarzembowski. “Thorny-headed worms can be found ...

The Arctic landscape during the Cretaceous Period may have been dominated by the dinosaurs, but the rivers and streams held something more familiar. Alaska's fresh waters 73 million years ago were ...

It’s quite remarkable that a class of animals that turn up their toes at a bit of pollution could survive the asteroid strike ...

Some creatures made it from the prehistoric era to today. Discover 5 species that have survived since the age of dinosaurs.

Fossils reveal that sebecids, long-extinct land predators, survived far longer in the Caribbean than previously thought, ...

Fossils of the T. rex, tyrant lizard and queen of the dinosaurs, are found exclusively in North America. Strangely, they have ...

Scientists had reportedly found a dinosaur that died the day the world ended. At a site in North Dakota, fossils were di ...

Tyrannosaurus rex evolved in North America, but its direct ancestor came from Asia, crossing a land bridge connecting the continents more than 70 million years ago, according to a new study.

Tyrannosaurus rex evolved in North America, but its direct ancestor came from Asia, crossing a land bridge connecting the ...

New fossil evidence suggests echidnas evolved from a water-dwelling ancestor, not a land-based one. The bone structure ...