To date, only the US has ever dropped nuclear bombs on a population — in Hiroshima and Nagasaki in 1945. Still, the number of nuclear warheads in military stockpiles continues t ...

Sandia National Laboratories (SNL) has shown off the United States' latest nuclear weapon as full production begins seven months ahead of schedule. The B61-13 variable-yield gravity bomb is part of a ...

Many scientists say “subcritical” experiments and computer simulations make nuclear weapons testing unnecessary.

Judd McDonald participated in an out-of-control nuclear bomb explosion to being an underground miner at a Nevada test site to ...

Amir Daftari is a Newsweek reporter based in London, specializing in global affairs with a focus on the Middle East. He joined Newsweek in 2024 from the United Nations and has previously worked at ...

Russia is still escalating its nuclear threats as the war in Ukraine goes on. If a nuclear bomb were headed toward the US, residents would have fewer than 30 minutes to prepare. Actions immediately ...