It's never been tried before, but crews hope to lower a 100-ton concrete-and-steel box a mile under the Gulf of Mexico on Thursday to cut off most of the hundreds of thousands of gallons of oil ...

The boat hauling the specially built containment box and dome structure pushed off Wednesday evening from the Louisiana coast. The dome-like top of the structure is designed to act like a funnel and ...

(Reuters) - A 98-ton steel containment chamber, or cofferdam, reached the site of a massive oil leak 50 miles south of the Louisiana coastline on Thursday. The device is intended to corral leaking oil ...

ON THE GULF OF MEXICO -- Workers gathered to begin lowering a giant concrete-and-steel box over the blown-out oil well at the bottom of the sea Thursday in a risky and untested bid to capture most of ...