Please join the CSIS Defense and Security Department for a conversation on nuclear weapons in space.

For more than six decades, the United States has pursued the promise of nuclear power in space — a technology capable of ...

For decades, Americans speculated about the Soviet moon program, but no one had grasped just how close they had come to putting a man on the moon until late 1991, when suddenly the USSR collapsed. As ...

A hydrogen bomb designer, Edward Teller, touted to Reagan the idea of an X-ray laser powered by a nuclear explosion in space, possibly over the heads of Americans. Teller lost ground when he claimed a ...

US should put nuclear reactors on moon: Sean Duffy Nuclear power on the moon is critical to the United States' space exploration and national security goals, acting NASA Administrator Sean Duffy said.

Nuclear reactors in space may sound like something out of science fiction, but they are likely to prove important for powering long-term space missions.

On July 16, 1945, the United States conducted the world’s first-ever nuclear test, known as the Trinity test, in the desert of New Mexico. This test marked a watershed moment in history, not ...

He led the three-man crew that survived a near catastrophic explosion in space in 1970, and was later immortalized by Tom Hanks in the movie “Apollo 13.” James A. Lovell Jr., right, and Fred W ...