From NASA:

ASA's Curiosity rover mission has found evidence a stream once ran vigorously across the area on Mars where the rover is driving. There is earlier evidence for the presence of water on Mars, but this evidence -- images of rocks containing ancient streambed gravels -- is the first of its kind.

In 1996, just months before he died, astronomer/astrophysicist/author Carl Sagan recorded this message to future colonists living on Mars.

Very interesting to hear 16 years later, in the light of Curiosity's landing, and cuts jeopardizing our national space programs.

Hopefully a few politicians are listening to his words of wisdom.

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Mars Rover Launch of the Day: