WASHINGTON (AP) — A new study explains how just four wells forcing massive amounts of drilling wastewater into the ground are probably shaking up Oklahoma. Those wells seem to have triggered more than 100 small-to-medium […]
LOS ANGELES (AP) — The Los Angeles Police Department has begun a realistic counterterrorism drill in the heart of downtown. Thursday’s late-morning demonstration began with an explosion, officers firing blank ammunition at pretend suspects, and […]
LOS ANGELES (AP) — To scientists’ excitement, the Curiosity rover has completed its first drilling on Mars and is preparing to analyze a pinch of powdery rock.