When Dr. Henry Hsieh entered graduate school, he was interested in comets for a fairly simple reason: they seemed exciting.
On Monday, September 11, 2006, the first episode of Astronomy Cast was promoted across the Internet. Twenty years later, on ...
NASA’s Nancy Grace Roman Space Telescope, scheduled to launch August 30th, is designed to tackle some of the biggest ...
August 20, 2026, TUCSON, Ariz. – Planetary Science Institute (PSI) has named Samantha (Sam) Riestenberg as its new Science Communications Manager and Public Information Officer, where she will lead ...
Jamie Isen uses the Mars Environmental Chamber, developed by Smith, to grow CO2 ice and to measure the reflectance and spectral properties for variable ice morphologies. Sometimes, the ice is glassy ...
Celebrate International Observe the Moon Night with PSI! Join us for a fun, family-friendly evening exploring our planet’s closest neighbor. All ages and curiosity levels are welcome!
Characterizing an onging outburst of a rare Centaur C/2023 RS61 with joint JWST and HST observations
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