Forty years after the Chernobyl disaster took place in the former Soviet Union (now Ukraine), CNN is revisiting the tragedy ...

In Chernobyl, the site of the world's worst nuclear disaster, a giant protective shield is slowly being moved into place a couple of feet at a time. The concrete and steel arch is billed as the ...

Timothy Mousseau, a USC professor with a PhD in biology, and his colleagues have begun conducting the only on-site research ...

This dark discovery is breaking the mold. Scientists have discovered an unlikely ally in the battle to clean up Chernobyl’s radiation zones — the black mold that thrives in them. A research team found ...