Created by former President Joe Biden just days before he left office, Chuckwalla National Monument will further protect ...

Upheaval Dome is a rock formation in Utah with jagged peaks carved into concentric rings. Astronauts on board the International Space Station photographed the structure in 2007, sparking ...

A Mars image shows a strange square formation. Some think it's artificial, but experts suggest natural causes.

jagged rock formations that look straight out of "The Good, the Bad and the Ugly." As a result of volcanic eruptions and natural weathering processes, the cliffs and spires create an eerily ...