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

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 ...

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 ...

The story of Chernobyl has long carried a chilling epilogue: that the people who rushed in to contain the disaster doomed not only themselves, but their children, to hidden genetic damage. The ...