At the California power plant, some 3.55 million pounds of waste is stored in dozens of canisters at the north end of the ...

A trio of Southern California lawmakers are making another effort to pass a federal law that would give priority to removing nuclear waste from sites such as the San Onofre Nuclear Generating Station.

The Golden State is counting on 25 gigawatts, or about 13% of its electricity, from offshore projects by 2045.

From exploring Arizona canyons to Utah buttes and beyond, our national parks columnist shares the most adventurous Southwest ...