Thanks to its airplane-shaped folding, the paper plane is statically stable in the vacuum-like upper reaches of space. It ...

The height clearance sign tells you exactly how tall your vehicle can be to pass through safely. A small stream flows ...

Kurtz’s Mill Covered Bridge gleams white against the blue Pennsylvania sky like a cloud come to earth. Inside, wooden beams create a tunnel effect that frames the view beyond in a perfect rectangle.

Donald Trump gives Republicans ultimatum over PBS, NPR funding Dave Ramsey sends strong message to Americans on 401(k) plans ...

Most people exploring a city focus on what’s above ground. But in several cities across the U.S., there's an entirely ...

The Dismantling of US Navy’s Aircraft Carrier That Was Sold For a Penny The Blue Whale: Earth’s Biggest Animal Ever, Even Larger Than Dinosaurs ...