The capsules contain about 30% of all the radioactivity at the Hanford nuclear site.

A hunt is reportedly underway in Russia's east for a capsule containing radioactive Caesium-137, which can be very harmful to humans. Workers employed by Russia's TNG-Group, which services oil and gas ...

Add Yahoo as a preferred source to see more of our stories on Google. STORY: Packed sandwiches, the radio on, all while rolling through the vast desert of Western Australia sounds like an idyllic road ...

RICHLAND, Wash. - The Hanford Site recently completed a transfer of the first batch of radioactive capsules from underwater ...

PERTH, Australia -- The health effects of coming into contact with a radioactive capsule no bigger than a coin that was lost in Western Australia -- and has since been found -- could potentially be ...

The road north from Perth now holds a risk of radiation burns or severe illness. It may do for decades. The danger lies in a 6mm by 8mm capsule of caesium-137, a radioactive substance used in mining ...