The National Nuclear Security Administration (NNSA) is extending its contract with the panel of scientists known as JASON for up to a year, while the Pentagon works to resurrect its old arrangement with the group. The semiautonomous Department of Energy nuclear weapons agency retained the JASONs ...

The JASON group of scientists has endorsed a plan to immediately begin building new infrastructure to produce fresh nuclear weapon cores, according to a letter written by the group’s program manager and published Monday by the Federation of American Scientists. “[W]e urge that pit ...

JOINT BASE ANDREWS, Md. — The Department of Energy took delivery of three new radiation monitoring aircraft recently and put them on display here Wednesday at one of two home bases for the airborne leg of the agency’s counterterrorism office. The three new King Air 350ER airplanes provided by ...

The 2020 budget bill working its way to President Donald Trump’s desk would fully fund the next generation of nuclear-tipped, intercontinental ballistic missiles, and the civilian-operated infrastructure that makes their warheads. Gone from the national security minibus that passed the House ...