Evidence of an oceanic impact and megatsunami sedimentation in Chryse Planitia, Mars

Colossal 'planet killer' asteroid sparked mega-tsunami on Mars, and now we know where it landed

Chicxulub-Like Asteroid Caused Megatsunami on Early Mars

Mars had an ancient asteroid impact like the one that killed the dinosaurs, scientists discover — The findings mean NASA may have stumbled upon signs of alien life on its first trip to Mars in 1976