“The structures don’t look like sand dunes,” Manga said ... “If these coastal deposits truly represent deposition of sediments at the edge of an ancient ocean, it suggests a prolonged period of stable ...

A large tanker has released jet fuel into the sea near crucial seal and seabird breeding spots, say local marine ecologists.

“The structures don’t look like sand dunes,” Manga said ... “If these coastal deposits truly represent deposition of sediments at the edge of an ancient ocean, it suggests a prolonged ...

“The structures don’t look like sand dunes,” Manga said ... “If these coastal deposits truly represent deposition of sediments at the edge of an ancient ocean, it suggests a prolonged ...

Painted Hills, Oregon The Painted Hills of Oregon are a sight that seems to have been plucked from an artist's dream. Their undulating layers of vibrant earth tones—red, gold, black, and tan—tell a ...

The stacked sloping layers at different depths beneath the Martian surface indicate multiple periods of sediment deposition over time ... Although rivers, volcanic activity and wind-driven sand dunes ...