A hazardous materials team responded to an Oklahoma high school after it was reported that a student brought in a “radioactive rock,” authorities said. Police and fire crews responded at about ...

The area affected is three times that of Greater London. Scientists suspect a combination of unusually radioactive rocks and geothermal springs may be responsible. The warm bedrock is removing ...

Many chemical elements in rock exist in a number of slightly different forms, known as isotopes. Certain isotopes are unstable and undergo a process of radioactive decay, slowly and steadily ...

Radionuclides of natural origin contained in or released from process materials may pose a risk to workers, public or the environment. These radioactive elements in minerals and ores originally found ...

A radioactive rock that was stored within a museum in Kent has been safely removed from the site. Kent Online reports that Folkestone Town Council acted upon health and safety advice to check radon ...

A museum which housed a mysterious radioactive rock was forced to shut an entire floor after radiation levels became too high ...