Sea turtle

People stand on the sand of a beach. Below them, the sand is covered in a dark, black substance.

Scientists rush to rescue sea turtles threatened by mysterious Brazil oil spill

Crude oil has been washing up on a 1,200-mile stretch of Brazil’s coastline, coating more than 150 beaches in thick, black sludge.

A Florida nail technician helped researchers develop a tracking device for endangered sea turtles

Environment
The World

Biologists are using giant tortoise DNA to bring an extinct turtle back from the dead

Environment