Ancient Martian Meteorite Teghaza 001 Reveals Early Wet Climate on Mars
Scientists said the 4. 1-billion-year-old Martian meteorite Teghaza 001, recovered from Mali’s Sahara desert, provides new evidence of an early wet climate on Mars. NASA-funded researchers, including Yang Liu and Lee Saper of the Jet Propulsion Laboratory and Ames Research Center, identified the 800-gram meteorite as dating to more than 4.
1 billion years ago and noted rare signs of early crust formation and liquid-water interaction on the planet. Earlier reports highlighted the find as potentially the oldest known Martian rock on Earth and emphasized its importance for understanding early Martian habitability.