The last nuclear treaty between the two powers ends on Thursday, formally releasing both the US and Russia from restrictions ...

Global momentum continues to build behind nuclear power. There are more than 400 nuclear reactors in operation today in 31 countries, and the number of countries that are considering, planning or well ...

Vladimir Putin has issued a new nuclear threat against the West with preparations to test a new missile in a move aimed at gaining bargaining power in talks on Ukraine with Donald Trump. Satellite ...

President Donald Trump has an opportunity to avoid the dangers of an unrestrained nuclear arms competition—something he has repeatedly warned about. New START, the last treaty limiting US and Russian ...

STUTTGART, Germany — U.S. Air Force nuclear weapons specialists this month tested their preparedness to carry out NATO strike missions from a strategic Belgian base, where they partnered with an ...

Beijing has been expanding its arsenal, and distrust between China and the United States over nuclear weapons has deepened, with little hope of an agreement. By Chris Buckley When President Trump ...

The United States needs a nuclear posture that can credibly deter limited, non-strategic nuclear war without either forcing it to escalate to central, strategic war or forcing it to lose an ongoing ...

The country’s production of nuclear warheads has slowed, but its missiles may be poised to strike back fast in case of an attack, an annual assessment found. By Chris Buckley Reporting from Taipei, ...

China has revealed how it is improving its nuclear forces to ensure the reliability and effectiveness in deterring adversaries, as major nuclear powers—including the United States and Russia—race to ...