Seventy years ago, on September 17, 1955, a modified Convair B-36 departed Carswell Air Force Base in Texas. Legendary U.S.

Mile Island’s nuclear power plant, operators say they will open in 2027, a year ahead of schedule, and that the plant will ...

Rivals India and Pakistan, which haven’t signed the NPT, have built up their nuclear arsenals over the years. India was the first to conduct a nuclear test in 1974, followed by another in 1998.

Rivals India and Pakistan, which haven’t signed the NPT, have built up their nuclear arsenals over the years. India was the first to conduct a nuclear test in 1974, followed by another in 1998.

Rivals India and Pakistan, which haven't signed the NPT, have built up their nuclear arsenals over the years. India was the first to conduct a nuclear test in 1974, followed by another in 1998.

Pakistan followed with its own nuclear tests just a few weeks later. Israel, which also hasn't signed the NPT, has never acknowledged having nuclear weapons but is widely believed to have them.

Ms. Gabbard relates in her three-minute video that she recently visited Hiroshima, “a city that remains scarred by the unimaginable horror caused by a single nuclear bomb dropped in 1945.” ...

What are the nine nations with nuclear weapons? Nine countries currently possess nuclear weapons: the U.S., Russia, France, China, the United Kingdom, Pakistan, India, Israel, and North Korea.

Iran is the only state without nukes to produce 60%-enriched uranium, which is a stone’s throw from weapons-grade and well beyond the levels required for civilian energy or research.

Could Ukraine produce a nuclear bomb and transborder missiles to halt Russia’s invasion? A global expert on atomic arms war-games this puzzle and its consequences.