Mars Ice Mapper
Mars Ice Mapper, a proposed mission that NASA will cooperate with Canada, Italy and Japan on, will send an orbiter to Mars to search for subsurface ice with radar. The mission may make use of a constellation of relay satellites, one of which is on the right, to send data back to Earth.

NASA and three international partners have signed an agreement to cooperate on a proposed mission to search for ice deposits under the surface of Mars, a precursor for human missions there.

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Jeff Foust has more than a decade of experience writing about space policy, entrepreneurial ventures and regulatory affairs. In 2001, he established spacetoday.net to aggregate and summarize the day's space-related news stories. In 2003, he started The...