Sept. 16, 2024, Tucson, Ariz. – A new analysis of maps of the near and far sides of the Moon shows that there are multiple sources of water and hydroxyl in the sunlit rocks and soils, including ...

The Planetary Science Institute (PSI) proudly announces the Betty Pierazzo International Student Travel Award, in honor of our late Senior Scientist. This award is designed to inspire graduate ...

Using seismic data from NASA’s InSight Lander, researchers recently found evidence of a deep groundwater reservoir on Mars, potentially of global extent. In 1993, Planetary Science Institute Senior ...

Sept. 1, 2024, TUCSON, Ariz. – People have observed the bright Martian poles wax and wane for centuries, but only within the last 50 years have scientists discovered that they are mostly comprised of ...

On Mother’s Day of 2007, Candice Hansen asked her family to indulge her by picking up some dry ice from the grocery store before driving to the local sand dunes. Hansen is a Planetary Science ...

Barringer Crater, also called Meteor Crater, is located in the United States of America (35º 2′ N, 111º 1′ W) in northern Arizona, about 35 miles (55 km) east of the city of Flagstaff. The crater is ...

This archive site provides access to asteroids, dust, planetary satellites, meteorites, and selected other small solar system bodies and laboratory data from the NASA Planetary Data System. CosmoQuest ...

Michael J.S. Belton, the President of Belton Space Exploration Initiatives and an Emeritus Astronomer at the National Optical Astronomy Observatory (NOAO), passed away on Monday, June 4, 2018. He was ...

PSI is a nonprofit 501(c)(3) corporation, and an Affirmative Action/Equal Opportunity Employer, including disability/veterans.

PSI is a nonprofit 501(c)(3) corporation, and an Affirmative Action/Equal Opportunity Employer, including disability/veterans.

The universe is our laboratory: PSI scientists are pushing the boundaries of knowledge, exploring worlds near and far, from Earth and beyond. PSI began in the late 1960s, with a group of talented PhD ...

Click on the interactive map below to learn more about impact craters. Image: Colorized digital elevation model of the Earth, Environmental Systems Research Institute (ESRI) For more info on ...