We know more about the Moon’s surface than Earth’s ocean floor — but that’s changing fast. A NASA-supported team used a ...

An earthquake with a preliminary magnitude of 3.2 rattled the coastal Los Angeles County area Sunday. According to the U.S. Geological Survey, the quake struck at 8:27 p.m. The epicenter was about ...

Pilarcitos Lake was San Francisco's first major reservoir, quenching the thirst of a booming city following the Gold Rush. It ...