The Manhattan Project that built the atomic bomb wasn't without its own dangers. Experiments on a so-called "demon core" of plutonium caused the deaths of two Manhattan Project physicists. Both ...

Federal officials have set a deadline of 2030 for increased production of the plutonium cores used in nuclear weapons. (Airman 1st Class Braydon Williams/U.S. Air Force) ALBUQUERQUE, N.M. — A top ...

Atomic bombs work via a process called nuclear fission that involves atom splitting. Shortly after scientists discovered nuclear fission, the possibility of a bomb was quickly realized. Albert ...

ALBUQUERQUE – Los Alamos National Laboratory has delivered to the federal government the first plutonium core certified for use in nuclear warheads in 18 years.The National Nuclear Security ...

Feb. 19—Los Alamos National Laboratory reached what federal officials say is a key milestone in developing its first plutonium pit that can be placed in a nuclear warhead as it seeks to produce 30 of ...

Editor's note: This article was updated Sept. 13 to more accurately describe the pit production projects currently underway. An exchange between three congressmen earlier this month provided a ...

RENO, Nev. – The plutonium core for the first atomic weapon detonated in 1945 was taken from Los Alamos National Laboratory to a test site in the New Mexico desert in the backseat of a U.S. Army sedan ...

ALBUQUERQUE, N.M. (AP) — The federal agency that oversees the nation's nuclear weapons stockpile recommended Thursday that the production of the plutonium cores that trigger nuclear warheads be split ...

Japan's Monju fast breeder reactor should return to service this year, with fresh plutonium fuel replacing its initial core load. Japan's Monju fast breeder reactor should return to service this year, ...

Email notifications are only sent once a day, and only if there are new matching items. Los Alamos National Laboratory reached what federal officials say is a key milestone in developing its first ...