NATO is building the world’s most advanced 1,850-mile “Drone Wall” from Norway to Poland to counter Russian threats.

When a massive, black patch, known as a polynya, was spotted by NASA scientists for the first time, satellite operators were ...

While the Statue of Liberty may not be submerged, low-lying places like Ellis Island could be underwater. By 2100, sea-level ...

Fresh advances in 3D scanning technology are making it possible to explore some of the hardest-to-reach and most fragile sites on Earth. This rendering of the Titanic is based on 715,000 photos ...