Iran's folded rocks are a colorful formation that is part of the Greater Caucasus mountains, which formed when the Eurasian tectonic plate collided with the Arabian plate millions of years ago.

With conifers encroaching on aspens and lodgepole pine stands plagued by insects and diseases, the Bridger-Teton National ...

Imagine standing on a rugged cliff, the wind whipping past as you gaze at ancient lava fields, fossilized dinosaur footprints ...

A new dinosaur species has been discovered, and it’s causing a stir in the scientific community. Named Natovenator polydontus, this creature had a streamlined body, much like modern diving birds. But ...