CLEVELAND, Ohio – It’s been decades since Advanced Medical Systems stopped processing cobalt-60, a radioactive isotope used ...

Between 1950 and 1990, more than 200,000 barrels filled with radioactive waste were dumped in the depths of the North-East ...

Researchers in the UK have found that crushed concrete from decommissioned nuclear sites can ...

(Reuters) - Countries around the world have either banned or stepped up tests on imports from quake-stricken Japan after radioactive substances were found in its food and water following blasts at a ...

Tensions are rising in Japan over radioactive water leaking into the Pacific Ocean from Japan's crippled Fukushima Daiichi nuclear plant, a breach that has defied the plant operator's effort to gain ...

The amount of long-lived radioactive elements incorporated into a rocky planet as it forms may be a crucial factor in determining its future habitability, according to a new study by an ...