Planetary Science Institute Senior Scientist Roger Clark was named a Fellow of the American Association for the Advancement of Science, a distinguished lifetime honor within the scientific community.

June 26, 2025, TUCSON, Ariz. – After nearly 20 years of operations, NASA’s Mars Reconnaissance Orbiter, or MRO for short, is on a roll, performing a new maneuver to squeeze even more science out of ...

June 26, 2025, TUCSON, Ariz. – June 30 is Asteroid Day, the United Nations sanctioned day of public awareness of the importance of asteroids.Asteroid Day is observed on the anniversary of the Siberia ...