In 2002, divers in Lake Huron were swimming among the shipwrecks in the Thunder Bay National Marine Sanctuary. The sanctuary ...

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.

The NASA satellite image shows rust-red rock formations in Wyoming—evidence of 220-million-year-old 'megamonsoons'.

A long-lost slab of Earth’s crust may be pulling away the bottom of the oldest part of North America, scientists say ...