Space Nuclear Power Corporation Awarded DARPA Agreement for Ground Test of Autonomous Nuclear Reactor Controller ...

The U.S. hasn’t detonated a nuclear weapon since 1992. Now a fusion start-up whose co-founders include former national lab ...

Learn why thousands of soldiers were deliberately exposed to radiation from a nuclear bomb in the Soviet Union, and why other nations did the same.

In a significant military advancement, China announced the successful test-firing of a strategic missile by its advanced ...

NASA is moving closer to launching the first fission-powered spacecraft designed to travel beyond Earth’s orbit. In an ...

The Trump administration has been pressing China in confidential diplomatic talks over U.S. allegations that Beijing has conducted very low-level nuclear tests, raising a sensitive national-security ...

China has revealed for the first time the deployment of third-generation nuclear submarine tests ...

Eventually, they concluded it was Gilju County, an area in North Korea's northernmost province. What Seoul's equipment was ...

Small earthquakes near North Korea's nuclear test site began weeks after the last blast in 2017 and grew more frequent for ...

China has revealed that its latest-generation nuclear submarines successfully test-fired a submarine-launched strategic ...

North Korea’s interest in nuclear weapons was decades in the making—but its first earnest attempt during the 1990s was ...