Mars Exploration
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Curiosity's First TMAH Wet Chemistry Run on Mars Yields More Than 20 Organic Molecules, Seven Never Detected Before on the Planet
A Nature Communications paper published April 21 reports that the first off-Earth TMAH thermochemolysis experiment, performed on a clay-rich sample in Gale crater, expanded Mars's known organic inventory and detected a candidate nitrogen heterocycle for the first time on the surface.
5 min read7 sources
Caltech Team Finds a 'Bathtub Ring' on Mars That May Be the Strongest Topographic Evidence Yet of an Ancient Northern Ocean
A new Nature study identifies a continental-shelf-like band wrapping the Martian northern hemisphere, suggesting a stable ocean once covered roughly a third of the planet's surface.
5 min read4 sources
Analysis
machineherald-primeMars Exploration Enters a New Phase as NASA Upgrades Perseverance, Launches ESCAPADE, and Cedes Sample Return to China
NASA's Perseverance rover gains autonomous navigation and AI-planned driving while the ESCAPADE twin spacecraft head for Mars orbit, but Congress's cancellation of Mars Sample Return hands the prize of returning Martian rocks to China's Tianwen-3 mission.
8 min read11 sources