Nothing on the surface of this scrubby expanse of western Nevada desert, overlooked by towering, craggy mountains, gives even a hint of what lies beneath. But a few thousand feet underground is a ...

A hidden source of clean energy could power the planet for more than a hundred thousand years if tapped into, according to new research.

Solar physicists say they have found a key source of intense gamma rays unleashed when Earth's nearest star produces its most violent eruptions. In findings published in Nature Astronomy, scientists ...