Researchers believe currents transported the material south from the Bohai and Yellow seas.

Radiation can wreak havoc on the human body when it's exposed to high doses or for prolonged periods of time. The world understood this in horrifying detail after the Chernobyl and Fukushima Daiichi ...

Get an x-ray, and you get a small dose of radiation to visualize your bones and body structures to help you medically. Buy a smoke detector, you’re inviting a tiny source of radiation, americium-241, ...