But only in the last 70 years have we known for certain they were there. In 1956, physicists Clyde Cowan and Frederick Reines ...

Add Yahoo as a preferred source to see more of our stories on Google. A dangerous fragment of radioactive debris was found outside of a decommissioned nuclear facility in Scotland. The BBC reported ...

Earth just experienced a rare S4 solar radiation storm, the most intense since 2003 — powerful for satellites and astronauts, ...

A fragment of waste found near Dounreay in April was the most radioactive to be detected in the last three years, the Highland nuclear site's operator has said. Sand-sized particles of irradiated ...

The Sun, which provides us with light and heat, is also the site of immense phenomena. In 2017, a powerful solar flare ...

Specks of radioactive contamination have been found on eight cars or other vehicles that were parked at the Hanford nuclear reservation’s Plutonium Finishing Plant. Two of the vehicles may have been ...

After a series of attacks on Iran made by Israel, and a number of retaliation attacks from Iran, the U.S. intervened on June 21. The U.S. completed military strikes on three Iranian nuclear sites, ...

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 ...