Beneath land once dotted with coal pits lies an estimated 46 million tons of natural hydrogen, a cache large enough to stir ...

A new study from the U.S. Geological Survey finds that groundwater in Appalachia, the Gulf Coast and California is ...

A 5.3 magnitude earthquake hit parts of New Mexico and West Texas on Saturday night, according to the U.S. Geological Survey. The seismic event began at 8.47 p.m. Central Time about 35 miles south of ...