Take a look at graphics that help explain the oil's Florida impact.
Photojournalists chronicled the spill and its aftermath.
Now it's a cash flow
The Gulf Coast Claims Facility has distributed $3.8 billion to cover oil spill damages in the five gulf states. Find out where the money went.
Added June 15, ongoing
A federal map with comprehensive spill data designed to assist emergency responders and environmental resource managers.
Find out how USF marine scientists are studying whether underwater clouds discovered in the Gulf of Mexico can be traced to the BP oil spill.
From USF: Forecasted ocean currents
Added June 8, ongoing
USF scientists use aerial photos to detect the slick's location each day and then forecast its movement using ocean and wind current models.
If you put the BP spill in your tank
We now know the BP leak in the Gulf of Mexico is the worst oil spill in U.S. history, but it is still hard to understand its magnitude in everyday terms.
Changes in the gulf loop current
Now that it has entered the Gulf of Mexico's loop current, oil could threaten fragile coral and other ecosystems in the Florida Keys.
What if it happened here?
Here is the ecological disaster we would face if oil were erupting underwater 50 miles off our shore instead of Louisiana's.
Learn how this oil spill compares to other man-made disasters, including a 1993 ship collision in Tampa Bay.
Learn what companies and industries are impacted by the spill.
Politics of oil
Industry and government officials testified that major rig incidents are catastropic but rare.