The United States conducted 210 nuclear weapons tests between 1945 and 1962. Decades after the end of the Cold War, thousands ...

Antares Nuclear’s microreactor became the first advanced design to complete a criticality test under the DOE RPP. Read more ...

Nuclear weapons tests are among the most violent events humans can trigger, and that violence leaves fingerprints in the Earth, sea, air, and even in orbit. The physics of shock waves, sound, and ...

Add Yahoo as a preferred source to see more of our stories on Google. A subsurface atomic test near Yucca Flats, Nev., in March 1955. (U.S. Atomic Energy Commission via AP) (U.S. Atomic Energy ...

Late last week, the U.S. leveled an explosive claim: China is planning secret nuclear weapons tests and has already conducted at least one. China denied the allegations, but experts are worried that ...

Clarity is key on most issues relating to nuclear weapons, and testing them is no exception. America’s adversaries are carrying out low-level nuclear tests and gaining an advantage over the United ...

MIT researchers think they've worked out exactly how Russia's Burevestnik nuclear-powered missile flies. "It's almost ...

Nuclear energy in the West took another step forward as the first privately developed, non-light-water reactor to go critical ...

Transient star-like objects have been identified in sky surveys conducted prior to the launch of the first artificial satellite on October 4, 1957 1,2. These short-lived transients (lasting less than ...

Big Tech, governments and investors are backing nuclear again. The harder question is whether it can scale in time for the grid.