Swedish mushroom foragers have been asked to aid researchers in their search to find out how much radioactive fallout remains in the country nearly 40 years after the Chernobyl nuclear explosion.

On April 26, 1986, the No. 4 reactor of the Chernobyl Nuclear Power Plant, near Pripyat in the Soviet Union (now Ukraine), ...

Renee Montagne speaks with reporter Alex Kleimenov in Kiev, Ukraine, about ceremonies taking place to mark 20 years since the Chernobyl nuclear disaster.

The clean-up operation around the worst nuclear disaster is still continuing. — -- Today marks the 30th anniversary of the Chernobyl disaster in Ukraine, the worst nuclear accident in history ...

Updated: March 24, 2011 At 1:23 a.m. on April 26, 1986, the No. 4 reactor at the Chernobyl power station erupted in a volcano of deadly radioactivity that rained on adjacent farms and towns, on ...