A historically intense and long-lasting heat wave in the Western United States, which has set hundreds of records from Washington state to Arizona, will continue to scorch the region for several more ...

Greenhouse gas and aerosol emissions from human activity have been driving the prolonged drought in the western United States through a complicated connection with the Pacific Ocean, according to a ...

A late-season Pacific storm is hammering the Western United States this weekend with a one-two punch: a few feet of snow piling up in the northern Rockies, and damaging wind gusts shutting down major ...

Add Yahoo as a preferred source to see more of our stories on Google. Heat is poised to build over much of the western United States this week and may challenge the highest temperatures of the season ...

From mountain ranges to lakes to national parks, the western United States has an abundance of staggering natural beauty. This is part of a new USA TODAY network project showcasing breathtaking – and ...

Wildfire smoke from the Western United States and Canada is blowing across the Northeast, lowering air quality and endangering vulnerable populations. By Austyn Gaffney See more of our coverage in ...

Rangelands are extensive ecosystems, providing important ecosystem services while undergoing continuous change. As a result, improved monitoring technologies can help better characterize vegetation ...

Atmospheric rivers cause extreme precipitation and sustain water resources in the western United States. Their occurrence has often been attributed to extratropical cyclones. Here, we apply a recently ...