Sitting much closer to Los Angeles is an unforgettable canyon park that blends the best features of California's Mojave Desert and Sierra Nevada ...

Four rare species have fluttered into view during my continuing quest to photograph the endangered Mount Charleston blue ...

They're in the headlines every week—critical minerals like lithium, cobalt, nickel, graphite and the rare earth elements ...

The thick, mineral-rich layers of clay found on Mars suggest that the Red Planet harbored potentially life-hosting ...