Nuclear weapons haven’t been tested in the United States since 1992. Find out why, and what could happen if the hiatus ends.

The world passed a nuclear milestone this week. And, perhaps surprisingly given the recent run of saber-rattling from the likes of Russia and the United States, it’s a positive one.

In a particularly heated moment from his first term, Trump taunted North Korea’s Kim Jong Un — whose 2017 underground test is the last known example of explosive nuclear testing — for the relative ...

The 4 to 7 percent increase in background radiation poses problems for sensitive scientific instruments. Geiger counters, ...

Hydronuclear experiments, barred globally since the 1990s, may lie behind President Trump’s call last month for the United States to resume its testing of nuclear bombs. By William J. Broad President ...

A shallow 4.2-magnitude quake in Israel's Negev desert near Dimona has sparked chatter about a nuclear test. Dimona is where ...

When the countdown hit zero on September 23, 1992, the desert surface puffed up into the air, as if a giant balloon had inflated it from below. It wasn’t a balloon. Scientists had exploded a nuclear ...

President Trump’s call to resume nuclear tests was muddied this week when Energy Secretary Chris Wright said the United States would not resume explosive testing, which was last conducted in the 1990s ...

One expert says explosive nuclear testing would be 'alarming.' President Donald Trump announced on Wednesday that he is ordering the United States to resume nuclear testing, leaving experts wondering ...