Southern California is bracing for heavy rain, gusty winds and cooler temperatures as a Pacific storm, fed by an atmospheric river, moves inland through the region.

A potent atmospheric river will continue to wring out heavy rain in parts of California and the Southwest, leading to flash ...

About 18.5 million years ago, giant volcanic eruptions forever changed the landscape of what is today a swath of protected California desert land, bound by two major interstates between Los Angeles ...

Looking at dunes and other rock formations on both Earth and Mars can tell scientists the environmental conditions that created them This article was originally published at The Conversation. The ...