[This story was updated at 10 p.m. ET on July 12.] After days of preparation, BP's effort to replace the loose-fitting cap that has been collecting oil for the last few weeks with a sealing cap ...

Government officials could give BP the green light as early as this afternoon to put in place a new, mutli-purpose cap on the oil well leak in the Gulf of Mexico that could cap the well completely, ...

ATLANTA — The head of the federal response to the Gulf of Mexico oil spill announced Tuesday night that the government and BP would delay a crucial test to determine whether it was safe to use a newly ...

BP engineers were back to the slow work of trying to choke the Gulf of Mexico oil gusher with an untested cap after replacing a leaky pipe Thursday, the latest delay in the uncertain fix. Kent Wells, ...

Preventing leaks and contaminant ingression keeps a system operating as intended. Seal selection is often an imprecise and time-consuming process, involving numerous compromises. Some qualities a seal ...

NEW ORLEANS Crews removed a cap from atop BP’s out-of-control well in the Gulf of Mexico on Saturday, beginning an ambitious engineering effort that could fully contain the huge oil leak but will also ...

NEW ORLEANS — Underpromising with hopes of overdelivering, BP said Sunday it is making progress on what could prove its most effective effort yet to contain the Gulf of Mexico oil leak but cautioned ...

Preventing leaks and contaminant ingression keeps a system operating as intended. Seal selection is often an imprecise and time-consuming process, involving numerous compromises. Some qualities a seal ...