We can’t know exactly how events would have unfolded had dissent been amplified, but we must now demand a safer future.

On July 16, 1945, the Nuclear Age erupted into being, with the atomic bomb’s first test, code-named Trinity, in the desert of ...

Trump’s signature legislation will push defense spending past $1 trillion, with new funding for innovation and other capabilities. But those investments are at risk of becoming one-off acquisitions ...

This effort has been plagued by false starts and failures, and none have yet been demonstrated to be effective against a real ...

Why does the power to launch nuclear weapons rest with a single American?

With or without Iran, the number of nuclear states could double, raising the risk of catastrophe.

Secretary of State Marco Rubio told Politico on Wednesday that Iran was " much further away from a nuclear weapon" following a US strike on Tehran's three main nuclear sites over the weekend.

Nonproliferation experts believe Iraq’s nuclear program went underground after Israel destroyed its reactor just outside Baghdad.

President Donald Trump claims to have “obliterated” Iran’s nuclear facilities after ordering attacks on three sites this weekend - even as questions remain about the impact of the strikes ...

President Donald Trump said Iran was “weeks away” from having a nuclear bomb. Iran was close to having bomb-grade uranium, but experts predicted it could have taken anywhere from months to two ...

President Donald Trump has dismissed the assessment of U.S. spy agencies that Iran wasn't building a nuclear weapon before the latest conflict with Israel.

An air-launched tactical nuclear weapon capability would not address short-term security concerns of the United Kingdom and Europe.