Editor’s note: This is part of an “experts comment” series on the expiration of New START. With the New Strategic Arms Reduction Treaty (New START) expiring this week, remedial measures can be adopted ...

The fragile global legal framework for nuclear weapons control faces further setbacks in 2026, eroding guardrails to avoid a nuclear crisis. The first half of the year will see two key events: the ...

The last treaty between the U.S. and Russia that limited the number of deployable nuclear weapons expired on Thursday, marking the end of decades of arms control agreements between the two countries ...

Editor’s note: This article belongs to a two-part series about addressing the nuclear arms control trilemma. Read the second article in the series. Readers of the Bulletin might be surprised that I’m ...

When NewSTART (Strategic Arms Reduction Treaty, 2010) expires on February 5, 2026, Russia and the U.S. will face the prospect of a new nuclear arms race unconstrained by bilateral agreements. Since ...

During the Cold War, few negotiations proved as complex as those between the United States and the Soviet Union to limit and reduce their vast nuclear arsenals. They required trust between adversaries ...

Add Yahoo as a preferred source to see more of our stories on Google. A subsurface atomic test near Yucca Flats, Nev., in March 1955. (U.S. Atomic Energy Commission via AP) (U.S. Atomic Energy ...

The rise of great power competition gives the United States all the more reason to invest in international cooperative frameworks for nuclear arms control. Some 80 years after the bombings of ...

As China continues to expand its nuclear capabilities, and Russia and the U.S. walk away from arms control, the future is terrifying: a new nuclear arms race, with more players, and less ...

Mr. Hennigan writes about national security, foreign policy and conflict for Times Opinion. Every American president for the past half-century had come into the White House and presented a vision to ...

There are still strong incentives to negotiate reductions in nuclear arsenals between the United States, Russia, and China. The expiration of the New START agreement this month is a critical and ...