All Space Considered – December 2025
Griffith Observatory broadcasts this public program live from the Leonard Nimoy Event Horizon Theater on the third Thursday of every month. Join the Observatory's curatorial staff as they examine and explain the most-talked-about subjects in astronomy and space science. It is free to attend in-person or stream on YouTube.
Upcoming All Space Considered
Griffith Observatory broadcasts this public program live from the Leonard Nimoy Event Horizon Theater on the third Thursday of every month. It is free to attend in-person or stream on YouTube. Foundation members receive priority seating to All Space Considered, among other benefits. By joining the Foundation, you take part in supporting Observatory programs like this one.
To see previous All Space Considered programs, go to the main ASC page.
This Month's Headlines
Space News
- NASA Rover Detects Electric Sparks in Mars Dust Devils and Dust Storms
- Perseverance detected the sounds of electrical sparks caused by the static electricity generated by the dust on Mars.
- Sugars, ‘Gum,’ Stardust Found in NASA’s Asteroid Bennu Samples
- Samples returned to Earth from asteroid Bennu have been found to contain sugars essential for biology, a gum-like substance not seen before in astro-materials, and an unexpectedly high abundance of dust produced by supernova explosions.
- Chile is a Hotbed for Astronomy
- Why are so many observatories located in Chile? All Space Considered will investigate the current and upcoming telescopes and explore why the location is so important.
ASC 2025 Wrapped
- ASC 2025 Show Stats, guests, topics, and more!
- Hosts’ Top 5 Astronomical Stories
- Out 2 Launch’s Biggest Blast-Offs
- One of the most spectacular launches was Blue Origin’s New Glenn rocket (pictured above) which successfully completed its second mission (NG-2) on November 13, 2025, launching NASA’s twin ESCAPADE spacecraft to Mars.
- Most Mostest Audience Choice Award
- Prettiest Pictures of 2025
- Griffith Observatory 90th Anniversary Round-up