Fears of an unprecedented nuclear disaster spread rapidly overnight when part of Europe’s largest nuclear plant caught on fire.

Scientists in China have now designed and tested a nuclear fission power plant that can keep itself cool even during a power outage—meaning it completely avoids the runaway heating and disaster ...

TOKYO-- An underwater robot entered a badly damaged reactor at Japan's crippled Fukushima nuclear plant Wednesday, capturing images of the harsh impact of its meltdown, including key structures ...

The Zaporizhzhia nuclear plant has been in danger throughout the conflict, but the risks of a meltdown rose sharply with the destruction of the Kakhovka dam.

• Early in the invasion, Russian forces took control of Chernobyl, the nuclear power plant in Ukraine where a reactor exploded in 1986 in the worst nuclear disaster in history. Now, they have ...

The effect of a reactor core meltdown that breaks containment would be more akin to a dirty bomb than a nuclear warhead, and it's not clear yet what exactly is going on with the three damaged ...

If you've ever wanted to tinker with a nuclear reactor and the events that happen within one, but you just can't seem to get past the guards of your nearest power plant, then allow me to introduce ...

Its proximity to frontline fighting has raised fears of a potential nuclear disaster, and experts have warned against any attempt to restart the plant under current conditions.

Satellite images and social media analyzed by NPR show attacks have hit structures around the plant, coming dangerously close to causing a nuclear disaster.

As we speak, emergency crews are trying to contain the radiation leaking out of cracked reactors in Japan's Fukushima Daiichi nuclear power plant. It's a difficult time, with the nuclear crisis ...

New images from a robot probe inside the Fukushima reactor have sparked nuclear meltdown fears. Photographs captured inside one of the three melted reactors at the tsunami -wrecked Fukushima ...

A new paper details two tests of a nuclear plant that can’t melt down. The durability is due to natural qualities, like insulated fuel and the density of heated gas.