The research reveals the chilling truth about the impact of nuclear tests across the U.S., painting a picture of widespread ...

A new map has revealed the terrifying spread of radioactive fallout from US nuclear tests, showing the contamination in 46 out of 48 US states, as well as in Canada and Mexico ...

A stress test and a CT calcium score are both ways of evaluating a person for blockages in the arteries of the heart.

Iranian authorities haven’t observed an increase in radiation levels at the country's Natanz nuclear site after Israel bombed it, said Rafael Grossi, chief of the International Atomic Energy Agency.

The U.N. nuclear watchdog says there's 'no increase in off-site radiation levels' after US strikes on Iran nuclear sites.

Dr. Roach: I had a comment about your recent column on nuclear stress tests. As an 87-year-old person who has experienced atrial fibrillation and a mild stroke, I have had ...

As workers remove melted fuel debris from the reactors in a monumental nuclear cleanup effort, they are facing both huge amounts of psychological stress and dangerous levels of radiation ...

Radiation levels remain normal after a drone armed with a warhead struck the outer shell of Ukraine's Chernobyl nuclear plant, the United Nations International Atomic Energy Agency said.

Ukraine said a Russian drone crashed into the containment structure, starting a fire, but so far radiation levels have stayed constant.

OKUMA, Japan (AP) — The Fukushima Daiichi nuclear power plant’s radiation levels have significantly dropped since the cataclysmic meltdown 14 years ago Tuesday. Workers walk around in many ...

As workers remove melted fuel debris from the reactors, they are facing both huge amounts of psychological stress and dangerous levels of radiation.

The Fukushima Daiichi nuclear power plant's radiation levels have significantly dropped since the cataclysmic meltdown 14 years ago Tuesday. Workers walk around in many areas wearing only surgical ...