Why is Pluto not a planet? Yesterday, August 24th, 2025, marked the 19th anniversary of Pluto's reclassification (some prefer "demotion") from "planet" to "dwarf planet" changing...

We have much to learn from asteroids, but researching them is not just theoretical. Although most asteroids are gravitationally corralled by the planets, thousands exist on...

This year's Ars Electronica Festival in Linz, Austria will feature the debut of Cultural Astronomy, a brand new experience in the DeepSpace8K 3D immersive theater. Detailed 3D...

My deeper exploration of bringing in geospatial data into planetarium software coincided with the release of Dawn’s high resolution maps from Vesta, and as I worked with my...

I spent the last week with my friends and colleagues at the Ars Electronica Center and their amazing immersive DeepSpace8K theater in Linz, Austria. This unique 3D immersive...

This August I'll be hosting "Space on Screen," a science fiction film series at the New Parkway in Oakland! Come on out Saturday afternoons in August to see four of my favorite...