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

Scientists have precisely measured two unstable atomic nuclei that play a crucial role in explosive X-ray bursts on neutron ...

Radiochemistry experts at Lawrence Livermore National Laboratory (LLNL) recently made the first experimental measurements of ...

Nuclear power has a lot of potential, but many fear the dangers of nuclear meltdowns. Fortunately, some new reactors might ...

This special report focuses on the global concerns surrounding the United States' nuclear testing policy following a directive from President Donald Trump to resume testing on par with rival nations.

President Donald Trump has called for the United States to test its nuclear weapons for the first time in three decades. But Trump’s statements about testing — in particular, whether other nations are ...

WEST PALM BEACH, Fla. (AP) — New tests of the U.S. nuclear weapons system ordered up by President Donald Trump will not include nuclear explosions, Energy Secretary Chris Wright said Sunday. It was ...

On Nov. 13, 1972, Terry Christensen was working in his office at Dixon Inc. on Orchard Mesa when he, like others, “felt the tremor.” He added. “We went out and saw the smoke. We saw a mushroom cloud, ...

Many advances in technology spring from the mind of a single genius, but others, like nuclear power, are the product of many minds over generations.

Russia has responded to U.S. President Donald Trump ordering the Pentagon to resume nuclear weapons testing "on an equal basis" with Russia and China. The Kremlin denied Russia's tests of the ...