The largest piece of Mars ever found on Earth was sold for just over $5 million at an auction of rare geological and ...

Nestled in Michigan’s rugged Upper Peninsula, where winters are long and the people are hearty, sits a treasure trove that would make Indiana Jones rethink his career choices—the A.E. Seaman Mineral ...

Hidden in Michigan’s Upper Peninsula sits a treasure trove of Earth’s most dazzling creations, where even the most ...