The president’s halt of foreign aid upended two U.S. programs that help the International Atomic Energy Agency find clues ...

President Trump has warned that “monster” nuclear weapons are the biggest threat to humanity and could easily “end the world” tomorrow. The commander-in-chief gave the grim warning as he ...

Ukraine surrendered its Soviet-era nuclear stockpile more than three decades ago and experts have questioned whether Kyiv ...

The nations don’t need nuclear weapons to deter adversaries from a nuclear attack, according to the policy, because the United States guarantees to strike back on its allies’ behalf.

While the bulk of the world’s nuclear weapons are US or Russian-owned, France has some 290 nuclear warheads, the UK 225 of the US-designed Trident missiles. Recent weeks saw a flurry of comments ...

National security adviser Mike Waltz said Sunday that all options are “on the table” to prevent Iran from obtaining a nuclear weapon. In an interview on ABC News’s “This Week,” anchor ...