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Massive Martian dust storm threatens plucky NASA rover

An immense dust storm that may soon encircle Mars is threatening one of NASA's rovers on the planet's surface, with the vehicle becoming dormant and unresponsive at a site called Perseverance Valley, U.S. space agency officials said on Wednesday.

NASA rover data shows Mars had the ingredients needed for life

A NASA rover has detected a bonanza of organic compounds on the surface of Mars and seasonal fluctuations of atmospheric methane in findings released on Thursday that mark some of the strongest evidence ever that Earth's neighbor may have harbored life.

South African fossils rewrite early history of life on land

Fossils of two amphibians that lived within the Antarctic circle 360 million years ago are forcing scientists to rethink the origins of land vertebrates, including where these pioneers first appeared and the climatic conditions that spawned them.