This artist's concept depicts the early Martian environment (right) – believed to contain liquid water and a thicker atmosphere – versus the cold, dry environment seen at Mars today (left). NASA's Goddard Space Flight Center

Escape from Mars: How Water Fled the Red Planet

November 12, 2020

Featured Stories

November 10, 2020

Brine Migration and Impact‐Induced Cryovolcanism on Europa

November 09, 2020

Life on Ancient Earth and Alien Planets: UArizona to Lead NASA Astrobiology Projects

October 30, 2020

Asteroid's Scars Tell Stories of its Past

This image shows four views of asteroid Bennu along with a corresponding global mosaic. The images were taken on Dec. 2, 2018, by the OSIRIS-REx spacecraft’s PolyCam camera, which is part of the OCAMS instrument suite designed by UArizona scientists and engineers. NASA/Goddard/University of Arizona

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