President Donald Trump said Wednesday he had instructed the Defense Department to “immediately” start testing nuclear weapons "on an equal basis" with other nations.

Pakistan and China are among the countries which are testing nuclear weapons, U.S. President Donald Trump has said to justify his administration’s plans to resume testing of the U.S.’s own nuclear ass...

Trump made the remarks while responding to a question about his decision to resume nuclear detonations after more than three decades, following reports of Russia testing advanced nuclear-capable syste...