April 22, 2025, TUCSON, Ariz. – It’s often assumed that planetary scientists are interested in all things outer space, but among the gas giants, far-flung asteroids and mysterious moons, Earth is ...

Secondary craters – you know, the kind that are created by the falling debris that follows an initial impact – are what scientists call… annoying. This is because they can muddy up crater counts, ...

Mishal K T was awarded the 2025 Pierazzo International Student Travel Award at the Lunar and Planetary Science Conference at The Woodlands, Texas, along with a check for $2,000 from PSI Director and ...

An annular eclipse in October 2023 and then total solar eclipse in April 2024 swept over large swaths of the United States, giving millions of Americans front-row seats to two of the most dramatic ...

Volunteers from the Planetary Science Institute spent their weekend engaging people of all ages in planetary science at the Tucson Festival of Books, which took place March 15-16 at the University of ...