Allegheny County police said a preliminary investigation shows that one person shot the other and then himself.

About 400,000 spectators are expected to watch 23-minute display celebrating second day of the Year of the Snake.

Highly energetic explosions in the sky are commonly attributed to gamma-ray bursts. We now understand that these bursts ...

The footage, believed to taken from a terminal inside the Ronald Reagan National Airport, captured the moment of impact ...

Astronomers await a rare cosmic event as T Coronae Borealis, the Blaze Star, prepares to erupt in a thermonuclear explosion, making it briefly visible in the night sky.

Following the explosive failure of the Starship megarocket’s January 16 test flight, residents of the British territory were ...