NEW ORLEANS -- The Coast Guard admiral overseeing cleanup of the BP oil spill says extensive sampling of the Gulf of Mexico seafloor has found oil in quantities too small to merit collection.

NEW ORLEANS, La. -- An oil platform exploded and burned off the Louisiana coast Thursday, the second such disaster in the Gulf of Mexico in less than five months. This time, the Coast Guard said there was no leak, and no one was killed.

WASHINGTON, D.C. -- Federal scientists say about one-quarter of the BP oil that spilled out of its broken well remains.

ON THE GULF OF MEXICO -- Introducing two more pieces of oil-industry lingo - "static kill" and "bullheading" - to the American public, BP began forcing mud down the throat of its blown-out well Tuesday in hopes of permanently sealing the biggest offshore leak in U.S. history.

NEW ORLEANS, La. -- Chemical dispersants keep flowing into the Gulf of Mexico at virtually unchanged levels despite the Environmental Protection Agency's order to BP to "significantly" scale back, according to a CNN analysis of daily dispersant reports provided by the Deepwater Horizon Unified Command.