President Donald Trump on Wednesday said he had directed the Pentagon to begin testing nuclear weapons “on an equal basis” ...

SIPRI and FAS estimate that China now has at least 600 nuclear warheads, with about 100 per year being added to the stockpile ...

Videos on social media appear to capture a fireball being intercepted by a bright light in the sky, resulting in an instant explosion.

This move marks a dramatic reversal from a long-standing U.S. strategy spearheaded by former President George H.W. Bush, who imposed a moratorium on nuclear tests following the Cold War's end.