VisitCalendarAll Space Considered

All Space Considered

The third Thursday of each month, the Observatory presents this free inside look at the most talked-about subjects in astronomy, space science, and space exploration. Observatory curatorial staff and special guests bring visitors up to date on what is going on in space. The presentations are offered free to the public.

The All Space Considered logo, with the show title stretching across mountains like the Hollywood Sign. A broadcast tower and searchlights radiate behind.

Upcoming All Space Considered

A full auditorium watches special guests at All Space Considered.

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.

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Stream Past Shows

Caricature of Dr. Jim Bell with text: All Space Considered
October 16, 2025

All Space Considered – October 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.

September 18, 2025

All Space Considered – September 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.

All Space Considered thumbnail.
August 21, 2025

All Space Considered – August 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.

July 17, 2025

All Space Considered – July 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.

Cartoon drawing of Tim Russ and a telescope in front of the Observatory
June 19, 2025

All Space Considered – June 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.

May 15, 2025

All Space Considered – May 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.

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