A five-dimensional model accurately predicts the asymmetric fission of mercury isotopes, advancing our understanding of nuclear fission beyond traditional heavy elements such as uranium and plutonium ...

Nuclear weapons haven’t been tested in the United States since 1992. Find out why, and what could happen if the hiatus ends.

WASHINGTON (Reuters) -Democratic U.S. lawmakers on Wednesday urged President Donald Trump to cancel a plan to make surplus plutonium from Cold War-era atomic bombs available as a fuel for nuclear ...

Here’s how a nuclear bomb actually works. The B61 and the B83 nuclear bombs currently in the United States’ arsenal are thermonuclear, or hydrogen bombs, and quite different than the fission weapons ...

Nuclear weapons represent the pinnacle of military danger, capable of instantly wiping out millions and reducing cities to dust. While the term "atomic bomb" often refers to a basic fission device, ...