Mars Odyssey Project Scientist, Jet Propulsion Laboratory
Latest Planetary Radio Appearances
New research indicates that what appeared to be liquid water hiding under Mars’ polar ice may actually be a form of clay.
Two pioneering Mars orbiters are still doing great work above the Red Planet, while the first operational Crew Dragon spaceship has delivered four astronauts to the International Space Station.
Mars Express Confirms Lots of Polar Ice! Where's the Rest?