Gulf Oil Spill

Kemp's ridley sea turtles are mysteriously vanishing

Huge oil spill 'footprint' found on Gulf of Mexico floor

'The Great Invisible' explores the environmental and psychological aftermath of the Gulf oil spill

4 years after Gulf oil spill, wildlife still dying

Dolphin deathtoll: Feds declare 'unusual mortality event' on East Coast

Halliburton admits erasing files after oil spill

What's causing oil sheens near Deepwater Horizon spill site?

BP ends Deepwater Horizon oil spill cleanup in Florida, Alabama and Mississippi

Psychological scars run deep after BP oil spill

BP's oiled animals: Where are they now?

Dolphin deaths linked to Gulf oil spill

How the wind saved Florida from the Deepwater Horizon oil spill