Mars' Valles Marineris canyon continues active deformation, reshaping planet

New observations indicate Valles Marineris, the solar system's largest canyon, is still undergoing active geological deformation, challenging assumptions that Mars' major tectonic activity ceased billions of years ago. The ongoing cracking suggests internal heat or stress remains, with implications for Mars' geological history and potential habitability. The claim is based on recent imaging and modeling, though direct in-situ confirmation is lacking.

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