Mads Petersen, owner of Greenland-based startup Arctic Unmanned, sat in a car to keep warm while he tested a small drone at minus 43 degrees Celsius (minus 45 degrees Fahrenheit).

An aircraft developed by Boom Supersonic has become the first independently funded jet to break the sound barrier ...

Your morning briefing, the business news you need in just 15 minutes. On today's podcast: (1) A regional jet flown for American Airlines Group Inc. collided in a deadly midair crash with a military ...