At sunset the drivers headed home, leaving behind splotches of oil on the sand and track marks scarring the dunes. But Amar said the gas-guzzling sport was not necessarily in conflict with nature. "I ...

Wearing a helmet and strapped securely into his four-wheel-drive, Abdelilah al-Rabea tore off across the Saudi desert, kicking up clouds of sand as a crowd of hundreds cheered him on. Every year ...

Erosion or accretion can reshape the beach and dunes over time so remapping is needed for resource protection and coastal development. This map series updates and supersedes the previous Coastal Sand ...

At close: April 1 at 4:00:02 PM EDT ...