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

Ancient megatsunami on Mars traced to the crater where it began