Microbes ate Gulf oil - really fast

More than a year after the largest oil spill in history, scientists have discovered that much of the oil was eaten by microbes, fast - but they still don't know what the microbes did with all the energy they gained.

Mississippi runoff expands Gulf 'dead zone'

The so-called Gulf Dead Zone is looking set to be the biggest ever this year.

Gulf oil dispersant hung around for months

Much of the dispersant used to combat last year’s Deepwater Horizon oil spill still hadn't degraded months after it was applied.

Gulf methane levels fall back to normal

New tests of methane levels in the Gulf of Mexico have surprised scientists by revealing near-normal amounts. The team had expected levels to remain high for years.

Gulf oil hits food chain much sooner than expected

Following the Gulf oil spill, many people were surprised by how quickly the oil seemed to disappear. Now scientists say they know where it went - into the food chain.

MIT robot 'swarm' cleans up oil spills

MIT has developed an autonomous floating robot that it says can absorb as much as 20 times its own weight in oil.

New bacteria could help clean up oil spill

A new strain of bacteria has been found that could help clean up some of the nastiest pollutants in the massive Gulf oil spill.

Kevin Costner dances with oil spills

Kevin Costner may be too old to dance with the wolves, but he is apparently young enough to help clean up a disastrous oil spill off the Louisiana coast.