Radiation affects air, soil, and water differently, and its behavior can even vary depending on the type of plant.

Jordan Dunbar travels to Chernobyl to explore events that caused the world's worst nuclear disaster and to understand what we can learn from them.

The Chernobyl disaster occurred when technicians at the power station, near Pripyat in the north of Ukraine, then part of the Soviet Union, ran a test on reactor number four to simulate shutting it ...

Four decades after the world’s worst nuclear accident forced tens of thousands of people to abandon their homes, the ...

In April 1986, the world changed forever when the Chernobyl nuclear disaster unfolded in what was then the Soviet Union. What began as a late-night safety test at Reactor No. 4 quickly turned into the ...

In this 1986 photo, a Chernobyl nuclear power plant worker holding a dosimeter to measure radiation level is seen against the background of a sarcophagus under construction over the 4th destroyed ...

Chernobyl, Ukraine — After the Chernobyl nuclear disaster, 40 years ago Sunday, more than 300,000 people fled the towns surrounding the destroyed Unit 4 reactor that spewed lethal radiation. In 2019, ...

"Hearst Magazines and AOL may earn commission or revenue on some items through these links." The devastation caused by the 1986 Ukraine Nuclear disaster was wide-ranging and long-lasting. In the ...

Pope Leo XIV called for responsible use of atomic energy on Sunday, the 40 th anniversary of the Soviet-era disaster at the Chernobyl nuclear power plant in Ukraine. More than two dozen people died in ...

Add Yahoo as a preferred source to see more of our stories on Google. Photo: Chernobyl exclusion zone, March 16, 2026; Danylo Dubchak/Frontliner/Getty The world's worst nuclear disaster began 40 years ...

Ukraine’s president lashed out at Russia, accusing it of “nuclear terrorism,” as Kyiv observed the 40th anniversary of the explosion and meltdown at the Chernobyl power plant, the world’s worst ...