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

A US Army cadet team has shattered altitude records by launching a tactical hypersonic rocket 149 km (93 mile) into space.

CT scans fall under a group of medical tests known as diagnostic tests, or “a test used to help figure out what disease or condition a person has based on their signs and symptoms,” according to the ...