Rescuers used backhoes and sniffer dogs to look for survivors in the central Philippines after an earthquake killed at least 72 people and injured more than 200 others.

New research methods are revealing how much water can be found buried in Utah's mountains, leading to a deeper understanding of the state's water supply and possible methods of conservation.

Sky-gazers may get a good chance to see fireballs streak across the night sky this week. Two meteor showers — the Alpha Capricornids and Southern Delta Aquariids — will reach…