Fukushima Gov. Masao Uchibori said on ... The fuel in the worst-damaged No. 1 reactor mostly fell from the core to the bottom of its primary containment vessel. Some of it penetrated and mixed ...

A robot tasked with searching the wreckage inside Fukushima Daiichi's Unit 2 reactor has retrieved a sample of melted nuclear ...

OKUMA, Fukushima Prefecture ... a structure beneath the defueled core, where officials explained the concept of using robotic probes in No. 1 and 2 reactors. TEPCO has emptied spent fuel from ...

Officials had long hoped to reach the area to examine the core and melted nuclear ... easily overcame coastal defences for ...

Now researchers can finally start digging into how the plant's materials have degraded over time—a factor that will greatly influence ... under the plant's Reactor #2 core.

The deposits were found underneath the core inside the primary containment vessel of Fukushima's unit 3 reactor. (C) British Broadcasting Corporation How Japan managed to get Fukushima's reactors ...

Fukushima Daiichi lost its key cooling systems ... from the planned area right underneath the Unit 2 reactor core, from which large amounts of melted fuel fell during the meltdown 13 years ago ...

Fukushima Daiichi lost its key cooling systems ... from the planned area right underneath the Unit 2 reactor core, from which large amounts of melted fuel fell during the meltdown 13 years ago ...

it also hit the Fukushima nuclear power plant, triggering the most serious nuclear accident since Chernobyl. Parts of the damaged reactors are still highly contaminated with radiation and robotics ...

The Fukushima nuclear plant was damaged when ... 1 reactor's primary containment vessel - an area directly under the reactor's core. Hydrogen and radioactive materials were released into the ...