The Red Canyon Arches were recognized 100 years ago, in 1925, as the "original entrance to Utah National Park," the Utah ...

A journey into the American Southwest reveals astonishing earth dwellings seemingly carved within natural rock formations, blending human ingenuity with the rugged landscape. Witness perfect mortar ...

The mass of space rock, which weighed over 6,000 pounds, was wrapped in a cargo net and airlifted out of the Old Woman Mountains in southern California by a U.S. Marine Corps helicopter.

Called natural infrastructure in dryland streams, or NIDS, these structures include beaver dams, human versions of beaver dams, one-rock dams, check dams, log dams, leaky weirs, earthen berms, and ...

Even if a natural feature like this did exist, Ristroph noted, the ancient Egyptians still would have carried out a considerable amount of work to create the iconic structure.

Cave Rock. The best bang-for-your-buck hike in Tahoe just might be the 0.8-mile, out-and-back trek to the top of Cave Rock in Zephyr Cove. Though many have driven through the 300-foot monolith ...

Images snapped by the NASA's Curiosity rover appear to show spikes protruding from a rock lying at the base of the 96 mile-long (154 km) Gale Crater on Mars.