The findings potentially solve the paradox of how liquid water seems to have persisted on Mars even when the climate grew too cold.
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Exploration advocates are pushing back against the planned cancellation of NASA’s Mars sample return project, saying it could potentially find evidence of Red Planet life.
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“The Chinese may well beat the U.S. with a grab sample.”

Team members working with NASA’s Curiosity Mars rover created this “postcard” by commanding the rover to take images at two times of day on Nov. 18, 2025, spanning periods that occurred on both the 4,722nd and 4,723rd Martian days, or sols, of the mission. The panoramas were captured at 4:15 p.m. on Sol 4,722 and […]
NASA’s Perseverance rover has been exploring the surface of Mars since it landed there in spectacular fashion nearly five years ago. In that time, NASA’s most advanced rover to date, which is about the size of a small car, has traveled almost 25 miles …