The world is approaching a critical nuclear crossroads as the last remaining U.S.–Russia arms control treaty, New START, is set to expire within days. Moscow has issued stark warnings that global security will enter a far more dangerous phase without binding limits on the world’s two largest nuclear arsenals.

Chinese nuclear expert Li Bin argues that a greater emphasis on costs can make a compelling justification for arms control—whether this comes through international treaties or voluntary restraint.

The risks of this stand-off have been contained over the years by various arms-control agreements, most recently New START. But that treaty expired this week, with no replacement. To make matters more dangerous,

Earth is closer than it's ever been to destruction as Russia, China, the U.S. and other countries become “increasingly aggressive, adversarial, and nationalistic,” a science-oriented advocacy group said Tuesday and advanced its “Doomsday Clock” to 85 seconds till midnight.

Key Points and Summary - Nuclear war remains unlikely, but not impossible—and five regions stand out as potential flashpoints in 2026. -Dr. Brent M. Eastwood walks through scenarios where Israel could be pushed toward its opaque nuclear arsenal, and ...

“At the end of the Cold War, global powers reached the consensus that the world would be better off with fewer nuclear weapons. That era is now over.” That is the chilling opening line of Kathryn Bigelow’s new film, “A House of Dynamite.”

Technological innovation and strategic competition appear to be increasing the risk of nuclear war. Mending the fraying international nuclear nonproliferation and arms control regimes should be a top global priority. A vehicle carrying a Russian Topol-M ...

Add Yahoo as a preferred source to see more of our stories on Google. The thought of nuclear war feels like something pulled from a Cold War documentary or a dystopian movie — not a real possibility. But experts, defense analysts, and national security ...

Israel’s short but destructive summer war against Iran and its brazen military strikes on Doha in September have reignited a debate across the Middle East over the value of nuclear deterrence. Gulf states also now worry that Israel’s aggression could ...