Mars
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Science
ESA Reveals City-Size ‘Cosmic Butterfly’ Crater on Mars Containing Signs of Ancient Water
ESA images reveal a city-sized butterfly crater on Mars with smooth wings likely formed by ancient water. Mars' butterfly crater…
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Science
Clocks on Mars Run Faster Than on Earth, New Study Finds
Mars clocks tick 477 microseconds faster per Earth day, complicating future missions and interplanetary timekeeping. Martian clocks run faster than…