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, ...

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 ...

The DNA of Chernobyl cleanup workers showed mutations caused by radiation that were also evident in the genes of their children.

The explosion at the fourth reactor of the Chernobyl Nuclear Power Plant in northern Ukraine on April 26, 1986, changed the lives of thousands of Soviet citizens. The plant was located 20 kilometres ...

Photographs from the first days of the Chernobyl disaster and of the aftermath years later show the response, the evacuation and the long-term consequences of the world’s worst nuclear accident. In ...

“Dogs at Chernobyl are now genetically distinct … thanks to years of exposure to ionizing radiation, study finds.” That’s just one of many similar headlines that appeared in response to a scientific ...

The Chernobyl disaster began in the early hours of April 26, 1986, when a reactor at the Chernobyl Nuclear Power Plant exploded during a safety test. The explosion and subsequent fire sent a plume of ...

We go deep inside the Chernobyl nuclear-power plant and the surrounding exclusion zone, recounting the history of the accident on April 26 1986, and speaking with plant workers who were on shift that ...

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 ...

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 ...

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 ...