NASA's Phoenix Mars Lander has detected snow falling from Martian clouds. Spacecraft soil experiments also have provided evidence of past interaction between minerals and liquid water, processes that occur on Earth.

Rising sun at Phoenix Mars lander

A laser instrument (the Canadian-designed lidar) designed to gather knowledge of how the atmosphere and surface interact on Mars has detected snow from clouds about 4 kilometers (2.5 miles) above the spacecraft's landing site. Data show the snow vaporizing before reaching the ground. Read more at the Jet Propulsion Labs (JPL).

For a greater Canadian perspective, check out the articles at the National Post, Toronto Star and Canada.com.

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