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  1. Chernobyl disaster - Wikipedia

    On 26 April 1986, the no. 4 reactor of the Chernobyl Nuclear Power Plant, located near Pripyat, a city in the Ukrainian SSR, Soviet Union (later Ukraine), exploded, [1] causing what has become known as …

  2. Chernobyl disaster | Causes, Effects, Deaths, Videos, Location, & Facts ...

    Dec 25, 2025 · Chernobyl disaster, accident at the Chernobyl nuclear power station in the Soviet Union in 1986, the worst disaster in nuclear power generation history. Between 2 and 50 people were killed …

  3. Chernobyl Disaster: The Full Story Of The Nuclear Meltdown

    Jan 21, 2026 · The Chernobyl disaster of April 25 and 26, 1986, was the most catastrophic nuclear accident of the 20th century. It has shaped and inspired nuclear policy, influenced environmentalist …

  4. Chernobyl: Disaster, Response & Fallout | HISTORY

    Apr 24, 2018 · Chernobyl is a nuclear power plant in Ukraine that was the site of a disastrous nuclear accident on April 26, 1986.

  5. Frequently Asked Chernobyl Questions - International Atomic Energy …

    On April 26, 1986, the Number Four RBMK reactor at the nuclear power plant at Chernobyl, Ukraine, went out of control during a test at low-power, leading to an explosion and fire that demolished the …

  6. Chernobyl Nuclear Meltdown – Timeline, Causes & Global …

    Explore the Chernobyl nuclear meltdown in detail – from its causes and timeline to radiation effects, long-term consequences, and rare photos from the exclusion zone.

  7. Chernobyl disaster facts and information | National Geographic

    On April 25 and 26, 1986, the worst nuclear accident in history unfolded in what is now northern Ukraine as a reactor at a nuclear power plant exploded and burned. Shrouded in secrecy, the...

  8. Chernobyl cooling systems have lost power but meltdown risk is low

    Jan 20, 2026 · An electrical outage at Chernobyl nuclear power plant risks dangerous fuel overheating, but experts say that the chances are extremely slim due to the age of the reactors, which were shut …

  9. Chernobyl: The Nuclear Disaster That Shook the World and Changed ...

    Jul 6, 2025 · On April 26, 1986, the world witnessed one of humanity’s most catastrophic technological failures—the Chernobyl nuclear disaster. In a single night, a routine test at Reactor 4 of the …

  10. Chernobyl Accident 1986 - World Nuclear Association

    Feb 17, 2025 · The Chernobyl accident in 1986 was the result of a flawed reactor design that was operated with inadequately trained personnel. Two Chernobyl plant workers died on the night of the …