Archaeologists Found a 500-Year-Old Compass—Turns Out It May Have Belonged to Copernicus

A hunt for historical treasures led to a hidden chamber ... and the find of a lifetime.

View in Browser  SHOP EXCLUSIVE SUBSCRIBE Archaeologists Found a 500-Year-Old Compass—Turns Out It May Have Belonged to Copernicus A hunt for historical treasures led to a hidden chamber ... and the find of a lifetime. Read More Prime Day Lawn Mower Deals 2025: The Best Discounts from Trusted Brands We're already finding deals up to 40% off on electric mowers from Ego Power+, Greenworks, and more. Read More Prime Day 2025 Dates Just Dropped, but Deals on Some of Our Favorite Outdoor Gear Are Already Here We're already seeing savings of up to almost 50 percent on editor-approved outdoor gear from Yeti, Coleman, Jackery, and more. Read More Make Better Barbecue This Summer With These Expert-Approved Smokers Smokers take your barbecue to the next level. Read More This Satellite Died in 1967. For Some Reason, It Just Spoke to Us Again. A powerful radio pulse from orbit left astronomers stunned—and searching for answers. Read More We've Been Testing Lawn Mowers For Decades. These Are The Ones You Should Buy Whether you prefer gas-powered muscle or the zip of battery power, these are the best of the best. Read More Need Assistance? Contact Us. Follow Us Unsubscribe | Privacy Notice | CA Notice at Collection Popular Mechanics is a publication of Hearst Magazines. ©2025 Hearst Magazine Media, Inc. All Rights Reserved. This email was sent by Hearst Magazines, 300 West 57th Street, New York, NY 10019-3779