This may be the first time in history that a major military power has elected not to invest in extensive defenses against the biggest threat to its survival.
Activists asked a judge to make documents public from a 27-year-old criminal investigation into a former nuclear weapons plant with a history of fires, leaks and spills.
U.S. Secretary of State Mike Pompeo urged the U.N. Security Council to again ban Iranian ballistic missiles capable of delivering nuclear weapons.
Russia is calling U.S. accusations that it isn't complying with a 1987 nuclear weapons treaty "groundless" and says its claims of U.S. violations of the Intermediate-Range Nuclear Forces Treaty are "justified."
South Korea government officials estimate that the size of North Korea's nuclear arsenal ranges from at least 20 bombs to as many as 60.
“In a world without nuclear weapons,” a U.S. nuclear weapons designer explained, “the U.S. would have uncontested military dominance.”
According to a report, America sat ready to arm nuclear weapons with eight zeros as the access code. No upper-case letters and no special characters.
As Secretary of State Mike Pompeo arrived in Pyongyang on Friday, officials in South Korea were quietly – and likely nervously – watching the first high-level, face-to-face interaction between the United States and North Korea since President Trump met with Kim Jong Un in Singapore on June 12.
The June 12 summit and forthcoming diplomatic talks highlight the need to understand the history of North Korea’s nuclear weapons program.