Polished and packed with features, this running watch impresses but its price raises questions in this Garmin Forerunner 570 ...

A new map shows hidden Martian rivers stretching thousands of miles, offering fresh evidence of a warm, wet ancient Mars.

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 ...