Escalating an arms race that could bring about Armageddon is only part of the reason Trump's push to resume testing is ...

President Vladimir Putin says Russia has adhered to a ban on nuclear test explosions after President Trump claimed Moscow is ...

The comments follow Russian defense minister Andrey Belousov announcing that Moscow should “immediately” prepare for ...

Energy Secretary Christopher Wright clarifies U.S. nuclear testing plans, confirming no explosive detonations but systems ...

Andrey Belousov, Russia's defense minister, made the announcement after President Donald Trump said the US would start ...

A Pakistani official told CBS News that the country "will not be the first to resume nuclear tests" in response to President ...

As many as 550,000 U.S. military service members were exposed to radiation or participated in nuclear weapons tests that ...

Russian President Vladimir Putin says the country will explore the possibility of carrying out fresh nuclear tests after US ...

Vladimir Putin ordered plans to restart Russia’s nuclear tests after Donald Trump said last week that America would carry out ...

The Minuteman III intercontinental ballistic missile will take flight from Vandenberg Space Force Base in California.

Putin orders nuclear test preparations after Trump announces U.S. will resume testing. Russia vows proportionate response to ...

In a televised meeting with his Security Council in Moscow on Wednesday, the Russian leader responded to the announcement ...