Video: Watch lenticular clouds form in the moonlight

Clouds and moonlight are usually the bane of astronomers and astrophotographers. But on a recent evening at Mount Shasta in northern California, the two combined for a stunning look at usual cloud formations called lenticular ...

An ominous mudslide on a depleted Mount Shasta

Jonathan Dove was patrolling Mount Shasta on a clear, warm afternoon when a group of backpackers asked him if Mud Creek Canyon on the Northern California peak always flowed so heavily.

'Benchmark glaciers' shrinking at faster rate, study finds

Climate change is shrinking three of the nation's most studied glaciers at an accelerated rate, and government scientists say that finding bolsters global concerns about rising sea levels and the availability of fresh drinking ...