The NNSA has recently given the public a rare glimpse into one of the secret nuclear labs where America used to test its ...

The effort was part of outgoing NNSA administrator Jill Hruby's effort to display more transparency about what the U.S. is ...

Nuclear Pulse Propulsion (NPP) used for shorter trips with high acceleration but with lower propellant efficiency [currently not in use]; (2) Nuclear Thermal Propulsion (NTP); and (3) Radioisotope ...

Equipment and wiring on board are hardened to survive an electromagnetic pulse. There's also thermal and nuclear shielding and direct-fire countermeasures. Aboard the plane, space is broken down ...

The US is planning an experiment to check the effectiveness of the aging plutonium in its atomic weapons National Public ...