In November 1952, the United States detonated the world’s first thermonuclear weapon during Operation Ivy. The device, known ...

Astronomers may have discovered the first example of an explosive cosmic event called a "superkilonova," in the form of a ...

Nearly 70 years ago, a team of scientists and military officers from the US Atomic Energy Commission and the Department of Defense prepared to unleash America's first hydrogen weapon on the remote ...

"The sheer amount of radiated energy from these bursts is so large that you can't power them with a core collapse stellar ...

It’s been 20 years since I retired from the Air Force and 40 years since I first entered Cheyenne Mountain, America’s nuclear redoubt at the southern end of the Front Range that includes Pikes Peak in ...

A mysterious cosmic explosion linked to gravitational waves may reveal a previously unknown type of supernova event - a ...

Hydronuclear experiments, barred globally since the 1990s, may lie behind President Trump’s call last month for the United States to resume its testing of nuclear bombs. By William J. Broad President ...

The commander of the military unit responsible for running the Cape Canaveral spaceport in Florida expects SpaceX to begin launching Starship rockets there next year. Launch companies with facilities ...

Each year, CBS News Chicago remembers some of the many people who made the city tick through a variety of talents and achievements. Here are 62 people whose memories Chicago is honoring in 2025.

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 ...

SAN FRANCISCO — A gas explosion set off a major fire in a San Francisco Bay Area neighborhood on Thursday after obliterating ...

Astronomers used major telescopes across the world to probe a cosmic explosion 8 billion light-years from the solar system.