July 24, 2025, TUCSON, Ariz. – On the slopes of Martian mountains and craters clings what appears to be flowing honey, coated in dust and frozen in time. In reality, these features are incredibly slow ...

July 15, 2025, TUCSON, Ariz. – Orbiting in the outskirts of the Solar System is a mysterious object moving in rhythm with Neptune, according to a new paper published in the Planetary Science Journal.

Nine southern Arizona elementary school teachers gathered at the Planetary Science Institute in Tucson for a three-day professional development workshop organized in partnership with STEMAZing at the ...

July 15, 2025, TUCSON, Ariz. – The United Nations General Assembly agreed in 2021 to dub July 20 International Moon Day, which celebrates the anniversary of the first landing by humans on the Moon on ...

Field Guide to the Santa Fe impact structure (from 2017 Annual Meeting of the Meteoritical Society in Santa Fe, NM) Depositional contacts of loess and basalt as an analog for dust on Mars… ...