... Henize 206: Cosmic Generations . ... Humphrey Rock Indicates Ancient Martian Water . ... How prevalent was water on Mars? Results from the Spirit rover now indicate that Gusev crater likely had a wet past, a result that comes shortly after Spirit's twin rover Opportunity uncovered clear evidence of past water at Meridiani Planum on the other side of Mars. ... The HUDF is expected to be the deepest image of the universe ever taken in visible light. ... Was Mars ever wet enough to support life? ...