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 ...

Moscow is accused by pro-Western politicians of interfering in an EU referendum and presidential ballot in Moldova, while in ...

Ace any trivia night with these fun facts about America Fun facts about America that will surprise you Although the United ...