Space.com
• Sharmila Kuthunur
Bleached Martian rocks signal prolonged warmer, wetter early climate
Researchers report bleached Martian rocks whose mineralogy and alteration patterns point to a prolonged warmer, wetter early climate on Mars, possibly featuring rainfall over millions of years that would have required substantial water volumes. The origin and timing of the bleaching—and its implications for habitability—remain unclear.
