Voyages into space are among the most iconic endeavors of the 20th and 21st centuries. Spacecraft that have ventured out to this “final frontier” have relayed stunning images and enlightening ...

Add Yahoo as a preferred source to see more of our stories on Google. Apr. 22—The head of U.S. Strategic Command in rounds of congressional testimony this week described renewed plutonium pit ...

China is building two advanced nuclear reactors with Russian assistance that will produce plutonium for Beijing’s rapid buildup of nuclear weapons, according to a new Air Force think tank study. The ...

VIENNA (Reuters) - North Korea appeared to resume activities this year aimed at producing plutonium, which can be used in the core of an atomic bomb, the U.N. nuclear watchdog has confirmed, though it ...

Have you ever wondered what does a spacecraft and a pacemaker have in common? Both are powered by plutonium-238 (238 Pu), a versatile isotope, known for its ideal heating properties. Recent research ...

North Korea appears to be operating a more powerful reactor for producing plutonium at its main nuclear site for the first time, the United Nations atomic agency said late Thursday, days after ...

A byproduct of aging nuclear weapons stockpiles could help power spacecraft on missions lasting decades. Americium-241, an ...

CAPE CANAVERAL, Fla., March 18 (Reuters) - The U.S. Department of Energy has produced its first batch of non-weapons grade plutonium, used to power space probes, since a nuclear reactor shutdown 25 ...