A Chicago fossil of Archaeopteryx uncovers unknown features, supporting theories of bird evolution from dinosaurs and ...

Most modern birds solved this issue by evolving shorter appendages to accompany their tertial feathers. But even though ...

The rare preservation of a 3-D sheath helped her and her colleagues get the best sense of what the dinosaur’s claws were like ...

A coelacanth, known by some as the "dinosaur fish," was spotted in eastern Indonesia in a rare sighting of a species once ...

The Indonesian coelacanth, a fish once thought to be extinct for 70 million years, was discovered alive in greater numbers ...

Mississippi has changed over millions of years and everything from sea monster to dire wolf fossils can be found here.

An underwater species that was once believed to have gone extinct some 70 million years ago was recently spotted in what became a rare photoshoot ... as "living fossils" or "dinosaur fish ...