The Semipalatinsk Test Site, also called the Polygon, is lesser known but was used by the Soviet Union to test nuclear ...

The fire sent plumes of radioactive materials high into the atmosphere exposing over five ... This meant that waste got into ...

Officials are grappling with the aftermath of the atmospheric river which caused mudslides and floods, especially in areas ...

While most look for ways to avoid the steady rain falling from atmospheric rivers, some take advantage of the unwieldy ...

An atmospheric river has arrived in the Bay Area, with moderate to heavy rain expected to continue, along with increasing winds and thunderstorm chances.

Just a month after fierce Santa Ana winds propelled a firestorm across Los Angeles County, residents faced another extreme ...

A powerful storm with an atmospheric river threatens to bring life-threatening flooding and debris flow from Los Angeles ...