Four Deepwater Drilling Frontiers
Oil companies have used new technology to extend the reach of their operations.
Deformities Linked to Spill?
Scientists have noted abnormalities in fish and a rise in deaths of marine animals.
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How Much Do You Know About the Gulf Oil Spill?
You know the Deepwater Horizon accident caused the worst spill in U.S. history, but how much do you really know about its magnitude and effects?
Take the Quiz » -
Interactive Map: Oiled Gulf Beaches
See which Gulf of Mexico beaches were oiled during the spill, and how they're faring now.
Before and After Views » -
Assessing the Seal on the Macondo Well
It was the most closely watched oil well kill in history. How permanent is the seal that finally stopped the flow of oil into the Gulf last September?
Experts' Consensus » -
Migrating Birds Escaped the Worst of the Oil
Though predictions of mass bird die-offs in the Gulf never materialized, experts say that crude is still oozing into some bird habitats.
Causes for Worry » -
Gulf Oil Plumes Possibly Explained
Scientists may have figured out how huge plumes of Gulf oil spread underwater instead of rising to the surface as slicks.
Cracking a Lingering Mystery » -
Is Gulf Oil on the Seafloor?
A year after the spill, experts are finding conflicting data on whether crude coats the bottom.
Expeditions' Findings » -
Gulf Beaches Mostly Oil-Free
Florida and Alabama beaches hardest hit by the Gulf oil spill are largely clean a year later, but scientists say the oil's not all gone.
Where Oil Layers May Linger » -
Time Line: Oiled Beaches in Florida, Alabama
See the evolution of Gulf beaches blackened by the spill, from the first oiling to a shore ready for spring break.
Photos from Then and Now » - Credits: Content Produced by Christine Dell'Amore | Photos Edited by Chris Combs, Janna Dotschkal, Alexa Keefe, and Sarah Polger | Hub Produced by Christina Nunez | Development Assistance by Stefan Estrada
