What was supposed to be a standard safety test, ended up with the explosion of reactor number 4 of the Chernobyl Nuclear ...

The “highly radioactive” control room at Chernobyl Nuclear Power Plant’s Reactor 4 at the center of the facility’s infamous 1986 catastrophe is open for tourists, so long as they wear a ...

In April 1986 reactor number 4 of the Chernobyl nuclear power plant suffered a catastrophic failure. This cause of the failure can be linked to many different problems, however the primary cause ...

Reactor Number 4 at the plant in what was then Soviet Ukraine exploded and burned on April 26 1986, ... Acting Director of the Chernobyl Nuclear Power Plant Sergei Kalashnik ...

The massive, arch-shaped, steel cover began moving into place on Monday over the cement-encased nuclear reactor at Chernobyl in Ukraine. A catastrophic meltdown of Reactor Number 4 on April 26 ...

Editor's Note: This story was updated on Monday, June 10 at 4:45 p.m. E.D.T. In the new HBO miniseries "Chernobyl," Russian scientists uncover the reason for an explosion in Reactor 4 at the ...

There, people prepare to mark the 25th anniversary of the explosion that blew the roof off Reactor Number 4. Soviet planners designed Chernobyl in the 1960s to become the largest nuclear power ...

A fifteen-meter-wide hole in the roof of reactor number 4, the exact point of the 1986 explosion. Flames visible from kilometers away. This is the image Ukrainian technicians encountered when they ...

Ukrainian authorities said a Russian drone struck the radiation shield that covers the damaged Reactor Number 4 at the site of the Chernobyl nuclear power plant, an incident which comes just hours ...