What scientists know about how oil spills affect the environment is drawn from a range of past events, no two of which have been alike. Because the blowout occurred 5,000 feet below below the water surface, the Gulf oil spill is unchartered territory.
As efforts continue to stop the flow from the BP oil spill, areas used for recreation and fishing are being closed to public access. It's a blow to recreational and commercial fishing businesses.
The massive BP oil spill in the Gulf of Mexico is preventing NASA from transporting a Space Shuttle fuel tank from Louisiana to Florida.
State attorneys general, commercial fishing organizations, and environmental groups are pressing BP to provide more information on the cause of the massive Gulf oil spill.
Two major weather phenomena that emerged last year – El Niño and the North Atlantic Oscillation – put a big kink in the jet stream and caused blizzards, tornadoes, and perhaps even last weekend's torrent in Tennessee, which caused the Grand Ole Opry flood.
As the Cumberland River begins to recede, power outages grip Nashville, Tenn.
BP has been roundly criticized by federal and state officials for its oil spill cleanup efforts. But one local official points to signs of progress and cooperation.
Waveland, Miss., still bears the marks of Katrina in trailers, unfinished construction, and a closed waterpark. Now, the BP oil spill is threatening its coast. Residents wonder if the town can survive.
Nashville flooding damaged several areas in the city's downtown center. Water has been reported in the basement of the Country Music Hall of Fame.
Jason White paddles down a flooded street on May 5 in Nashville, Tenn. The flooding caused by record-breaking rains last weekend of more than 13 inches still has some streets in the region only passable by boat.