THESE photos, all shortlisted for the Sony World ... Kazakhstan that was the major testing ground for the Soviet Union's nuclear experiments from 1949 to 1989. The image above shows a dosimetrist ...

A horrifying video by researchers at Princeton University simulates how a nuclear war between the US and Russia might unfold, estimating that tens of millions would perish in the first 24 hours alone.

In March 2011, the biggest nuclear disaster since Chernobyl occurred in the Tōhoku region of Japan. The Fukushima Daiichi nuclear disaster was caused by an earthquake and then a resulting tsunami.