NASA’s Curiosity Rover Points To More Watery Martian Past

NASA's Curiosity rover

Mars Curiosity rover.

Credit: NASA
HOUSTON—NASA’s Curiosity rover has provided new evidence for the at least intermittent presence of large quantities of surface water on Mars when it formed about 4 billion years ago, as well as a thicker carbon dioxide-rich atmosphere and a warmer environment. The evidence comes from concentrations...
Mark Carreau

Mark is based in Houston, where he has written on aerospace for more than 25 years. While at the Houston Chronicle, he was recognized by the Rotary National Award for Space Achievement Foundation in 2006 for his professional contributions to the public understanding of America's space program through news reporting.

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