Scientists have found a chemical signature that hints at ancient life on Mars. But other possible explanations remain. The post Evidence Hints at Ancient Life on Mars appeared first on Sky & Telescope.
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Gale Crater on Mars: An Ancient Lake or Just Puddles?
A new study suggests that wind, not water, created the rock layers in Gale Crater, where the Curiosity rover roams. The post Gale Crater on Mars: An Ancient Lake or Just Puddles? appeared first on Sky & Telescope.
Read MoreNASA’s Curiosity Takes Step Toward Solving Mars Methane Mystery
New measurements from NASA’s Curiosity rover show that methane concentrations near the Martian surface vary on a daily cycle. The finding could help reconcile conflicting data. The post NASA’s Curiosity Takes Step Toward Solving Mars Methane Mystery appeared first on Sky & Telescope.
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