The U.S. Under Secretary of State for Arms Control and ‌International Security Thomas DiNanno told delegates at ​the Disarmament ‌Conference in Geneva ‍that ⁠extending new START - which set limits on the world's two biggest nuclear powers the United States and Russia - would not benefit the U.

If nothing replaces the New START nuclear arms treaty, security analysts see a more dangerous environment with a higher risk of miscalculation.

The U.S. on Friday called for a new, broader nuclear arms control treaty with China and Russia after it accused Beijing of conducting a secret nuclear test. “China has conducted nuclear explosive

Por Jennifer Hansler y Kylie Atwood, CNN Estados Unidos acusó este viernes a China de llevar a cabo una prueba nuclear secreta en 2020, mientras el Gobierno de Trump solicita un acuerdo de armas nucle

The US accused China of secret nuclear tests, banned under international agreement, that were building toward tests of larger nuclear warheads.

The allegation comes as the White House pushes Beijing to agree to new nuclear talks after the New Start arms-control deal expired this week.

The United States on Friday urged three-way talks with Russia and China to set new limits on nuclear weapons, as it accused Beijing of conducting secret nuclear tests and dramatically

The United States on Friday urged three-way talks with Russia and China to set new limits on nuclear weapons, after the last treaty between top nuclear powers Washington and Moscow