The backstory: Russian thistles, better known as tumbleweeds, arrived in South Dakota in the 1870s most likely via a shipment ...

California officials warn of flood risks from rain after Trump adds conditions to LA disaster aid: Live updates - Seven fires ...

As widespread rain moves into Southern California, residents in the recent burn scar areas brace for mudslides, rockslides, ...

Residents face new threats of mudslides and ‘toxic ash’ as rain hits Southern California - Seven fires are still raging ...