The U.S. Space Force announced Friday it has awarded satellite contracts with a combined value of about $1.6 billion to Rocket Lab in Long Beach and to the Redondo Beach Space Park campus of Northrop ...

Researchers are keeping an eye on the building-sized asteroid 2024 YR4, which has a 4 percent chance of hitting the moon seven years from now.

Cosmic “touchdown airbursts” — explosions of comets or asteroids above Earth’s surface — may be far more common and destructive than previously thought, according to new research. Unlike ...

In November 1952, the United States detonated the world’s first thermonuclear weapon during Operation Ivy. The device, known as Ivy Mike, unleashed a blast more powerful than anything humanity had ...

Richmond police are investigating after a man died Tuesday night after being found in the city's East End with gunshot wounds ...

If anything, the widespread lack of comprehension (and so protest) is one big reason nuclear war remains so chillingly ...