Boom breaks sound barrier with American-made private supersonic jet

XB-1 hit supersonic, hypnotic speeds on Tuesday, making American aviation history. XB-1 is the first commercial aircraft to reach supersonic speeds since the British Concorde jetliner in 2003, and the first civil supersonic flight in U.S. airspace.

Rare Black Moon to rise as 2024 comes to an end

The Black Moon, which is also sometimes called an invisible Moon, will rise on Dec. 30. The Moon will gradually become more visible as it heads to the first-quarter stage by Jan. 6.