From failed efforts to control nuclear explosives to safety lapses at weapons sites, we investigate the forces — and weaknesses — in national security.
February 17, 2021
Are we ready for weapons to have a mind of their own?
December 23, 2020
Under Trump, the nuclear weapons industry has boomed
September 13, 2020
Twilight of the Human Hacker
How hypersonic missiles — which travel at more than 15 times the speed of sound — are touching off a new global arms race that threatens to change the nature of warfare.
Published — July 16, 2018 Updated — October 29, 2018 at 3:49 pm ET
Plutonium is missing, but the government says nothing
Losses of civilian nuclear material are usually disclosed but when the government loses nuclear bomb ingredients it stays mum
Published — May 1, 2018 Updated — May 2, 2018 at 8:44 pm ET
Key sites proposed for nuclear bomb production are plagued by safety problems
Billions of dollars are at stake in a forthcoming Trump administration decision, but contender sites Los Alamos and Savannah River have struggled to handle plutonium safely
More in National Security
August 21, 2020
Round One: Machine beats man in air-combat exercise