During the Cold War, the U.S. considered stationing nuclear missiles under the ice sheet in Greenland -- and never told Greenlanders or Denmark about the secret project.

Since the collapse of the old Soviet Union, Russia has cut a substantially diminished figure on the international stage.

US President Donald Trump said on Thursday that he had prevented several nuclear wars around the world, including a nuclear war between Ukraine and Russia.

The last major nuclear arms control treaty between Russia and the United States expires on Thursday, ushering in an era without constraints set by the world’s largest nuclear powers

A nuclear treaty first signed in 2010 is expiring this week. If it's not replaced, experts say a global arms race could be in the cards.

On January 27, 2026, the editors of the Bulletin of the Atomic Scientists moved the hands of their famous “Doomsday Clock” to 85 seconds to midnight―the closest setting, since the appearance of the clock in 1946,

US President Trump claims he stopped a nuclear war during \"Operation Sindoor.\" India rejects the mediation narrative. Explore the conflicting accounts of the 2025 ceasefire.