Mojave Desert

China has engineered global control over rare earth elements—but it cannot last.

Why is a solar power plant using natural gas, and does the associated CO2 disqualify it as “green”?

Investigators looking into what caused the crash of a Virgin Galactic prototype spacecraft that killed one of two test pilots said a 5-mile path of debris across the California desert indicates the aircraft broke up in flight.

California authorities have identified the pilot killed during a test flight of Virgin Galactic’s prototype space tourism rocket over the Mojave Desert.