Two years after the Deepwater Horizon rig exploded in the Gulf of Mexico, research is turning up ailing fish bearing diseases.

New studies show impact of BP's Deepwater Horizon disaster on dolphins and other marine wildlife may be far worse than feared.

BP faces another difficult week of tough questions from investors and US lawmakers despite making progress in capturing an increasing amount of oil.

BP began capturing some oil spewing from its ruptured well on Friday as Barack Obama warned the company against skimping on compensation.

US government and BP officials are warning that the blown-out oil well causing a disaster on the Gulf Coast may not be stopped until August.

BP's "top kill" oil well plug failed on Saturday, practically killing any optimism among residents that the spill fouling their coast will end soon.

With a BP well spilling oil into the Gulf of Mexico for a fifth week and President Barack Obama under pressure to act, legal experts say it is only a matter of time before his administration begins a criminal investigation into the disaster.

US President Barack Obama was dispatching two Cabinet secretaries to the fouled Gulf Coast on Monday to keep pressure on energy giant BP.

The oil gushing unchecked from an undersea well in the Gulf of Mexico could permanently scar coastal lands and bring down some energy companies.

Tony Hayward meets United States politicians and regulators as criticism of oil giant's reaction to well blow-out mounts.