Thu, May 20, 2010 at 1:07 PM
The dispersant shoots chemicals thousands of feet beneath the sea to break apart the oil and keep it from reaching the surface.
Tue, May 18, 2010 at 12:23 PM
The zone now covers 19 percent of U.S. waters in the Gulf of Mexico.
Tue, May 18, 2010 at 12:20 PM
Tests are under way to determine whether the tar blobs on Key West came from the BP-owned blown-out well.
Tue, May 18, 2010 at 8:54 AM
The Conservancy's Bill Finch returns to a clapper rail's nest he visited two weeks ago in Alabama's Grand Bay marsh — back when he thought the Gulf oil spill's landfall might be imminent.
Tue, May 18, 2010 at 4:54 AM
Of the 156 turtles collected as of Monday, eight were still alive when found, and six of those survived and are undergoing rehabilitation.
Mon, May 17, 2010 at 1:05 PM
The company's first success since the spill occurred may be overshadowed by concerns that underwater oil plumes could be starving the waters of oxygen.
Mon, May 17, 2010 at 9:58 AM
Video: Sen. Chuck Schumer discusses the government's response to the oil spill and congressional efforts to remove the cap on damages BP must pay.
Mon, May 17, 2010 at 8:38 AM
Diffusing and sinking oil helps protect surface species and the shoreline, but it increases the chance of harming deep-sea reefs.
Mon, May 17, 2010 at 8:25 AM
Computer models show the oil may have seeped into a powerful water stream known as the loop current, which could propel it into the Atlantic Ocean.
Mon, May 17, 2010 at 3:43 AM
An unknown percentage of oil is being siphoned from the well to a ship a mile above on the surface, but gallons of crude are still flowing into the Gulf of Mexico.