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

The world's worst nuclear disaster began 40 years ago at 1:23 a.m. on April 26, 1986, when Unit 4 at the Chernobyl nuclear power generation facility experienced an explosion and meltdown. Ironically, ...

Photographer Pierpaolo Mittica has been documenting the passage of time at the disaster site as clean-up crews, tourists, and war, come and go in a landscape still teeming with radiation. "We are just ...

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 ...

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 ...

Gas masks littered on a floor. Forests overgrowing empty villages. An abandoned hospital operating room. Those are some of the photographs that Brook Ward, president of UPMC Washington and Greene ...

The 1986 Chernobyl disaster released massive radiation and affected millions. Dozens died immediately, with thousands more linked to long-term effects. The area remains restricted as cleanup continues ...

Olena Maruzhenko remembers her mother sobbing when Soviet police told them to evacuate their home in the village of Korogod in northern Ukraine. Just 12km away, a reactor at the Chernobyl nuclear ...

Oksana Masters is one of Team USA’s greatest Paralympic athletes, and her inspiring journey from a Ukrainian orphanage shaped ...

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 ...