A science-oriented advocacy group moved its “Doomsday Clock” to 85 seconds to midnight, saying the Earth is closer than ever to destruction

Iranian Foreign Minister Abbas Araghchi denied his country was pursuing nuclear weapons as the United States continues to build up its military forces in the region. In a post on X, Araghchi said Iran’s military was prepared,

Scientists at Los Alamos National Laboratory say neutrinos could be used as a diagnostic

The National Nuclear Security Administration (NNSA) is celebrating “a significant milestone,” announcing that it completed a record number of key element extractions integral to nuclear weapons testing and acceleration.

Speaking Jan. 28 at the SpaceCom Space Mobility conference, Whiting said the idea for a commercially integrated tabletop exercise was driven by reports that Russia intends to field a nuclear weapon in orbit. “A nuclear detonation in outer space would cause devastating consequences for the United States, the world and the global economy,” he said.

On 4 February 2026, the New Strategic Arms Reduction Treaty (New START) is due to expire. If it does, it will mark the first time since the early 1970s that there will be no legally binding limits on US and Russian strategic nuclear forces without another agreement being under negotiation.

An ally and former adviser to Russian President Vladimir Putin and former President Boris Yeltsin said the country could use nuclear weapons against Europe should Russia ever be on the verge of defeat in its ongoing war with Ukraine.

Dmitry Medvedev said Moscow had not received a U.S. response to Russia's proposal to extend the New START treaty.

President Donald Trump is weighing a major new strike on Iran after preliminary discussions between Washington and Tehran over limiting the country’s nuclear program and ballistic missile production failed to make progress,