Show overview
Star Diary has been publishing since 2016, and across the 10 years since has built a catalogue of 368 episodes, alongside 33 trailers or bonus episodes. That works out to roughly 160 hours of audio in total. Releases follow a fortnightly cadence, with the show now in its 2nd season.
Episodes typically run twenty to thirty-five minutes — most land between 17 min and 33 min — though episode length varies meaningfully from one episode to the next. None of the episodes are flagged explicit by the publisher. It is catalogued as a EN-language Science show.
The show is actively publishing — the most recent episode landed 1 weeks ago, with 11 episodes already out so far this year. The busiest year was 2023, with 72 episodes published. Published by Our Media.
From the publisher
The astronomy podcast from the makers of BBC Sky at Night Magazine.
Latest Episodes
View all 368 episodesSummer stargazing
How spaceflight hammers the human body
May's 'blue Moon’ – what we'll really see
Strange signals from the galactic centre
The Evening Star is back
Venus is slowly returning to the evening sky, marking the re-emergence of one of the best naked-eye objects. Find out what else is happening with the planets, the Moon, stars constellations and deep-sky objects in April 2026 Learn more about your ad choices. Visit podcastchoices.com/adchoices
Exploring the radio Universe
Radio astronomer Dr Emma Chapman reveals how radio waves enable scientists to explore the cosmos, from mapping Venus to searching for alien life and discovering the origins of the Universe. Learn more about your ad choices. Visit podcastchoices.com/adchoices
Spring stargazing is here
Find out which planets are best in the night sky in March 2026, plus key times to observe the Moon, stars and constellations. Learn more about your ad choices. Visit podcastchoices.com/adchoices
Revealing the secrets of Mercury
The European Space Agency's BepiColombo mission arrives at Mercury later this year. Planetary scientist Emma Bunce reveals the mysteries the mission could uncover. Learn more about your ad choices. Visit podcastchoices.com/adchoices
Jupiter dominates the night sky in February 2026
Find out the best things to see in the sky this month, from the planets and constellations to deep-sky targets for your telescope. Learn more about your ad choices. Visit podcastchoices.com/adchoices
Listening to black holes colliding
Tessa Baker discusses newly-discovered cosmic collisions and how they’re helping her unlock the secrets of the Universe. Learn more about your ad choices. Visit podcastchoices.com/adchoices
New Year, new stargazing – January 2026
Pete Lawrence and Paul Abel reveal the best things to see in the night sky to kick off a new year of stargazing. Happy 2026 everyone! Learn more about your ad choices. Visit podcastchoices.com/adchoices
3D-mapping an alien world
Astronomer Anjali Piette reveals how she and colleagues created a 3D view of a scorching gas giant around a distant star. Learn more about your ad choices. Visit podcastchoices.com/adchoices
Christmas stargazing 2025
Pete Lawrence and Paul Abel reveal what you should be looking at in the December 2025 night sky, including the best planets, the Geminid meteor shower, Orion and top times to see the Moon. Learn more about your ad choices. Visit podcastchoices.com/adchoices
Have scientists solved Webb’s ‘impossible’ black holes?
Astronomers say the James Webb Space Telescope has seen black holes at the dawn of time that shouldn't exist. But a new study may be able to explain what's going on. Astronomer Seb Hoenig reveals how a new look at the early Universe could show that JWST has got black holes all wrong. Learn more about your ad choices. Visit podcastchoices.com/adchoices
See the Moon and planets under truly dark skies
As winter gets underway, we’re approaching the darkest time of year. Find out the best times to see the Moon and planets this month, including November’s supermoon. Learn more about your ad choices. Visit podcastchoices.com/adchoices
Can a planet have a planet?
Astronomer Belinda Damian discusses her research into the giant, free-floating worlds that may one day be able to form their own planetary systems. Learn more about your ad choices. Visit podcastchoices.com/adchoices
See gas giants Jupiter and Saturn at their best
Find out how to see the biggest planets in the Solar System while they’re big and bright, and find out what makes the Harvest Moon so special. Learn more about your ad choices. Visit podcastchoices.com/adchoices
Can YOU help astronomers find exploding stars?
Astronomer Tom Killestein reveals how the public can help him on his mission to find stellar explosions via the Kilonova Seekers project, and reveals its first major discovery. Learn more about your ad choices. Visit podcastchoices.com/adchoices
See the blood Moon rise
We reveal how to see the ‘blood Moon’ total lunar eclipse in September 2025, and explain the best dates and times to see the planets of the Solar System in the sky. Learn more about your ad choices. Visit podcastchoices.com/adchoices
How the Rubin Observatory will study the Universe
The Vera C Rubin Observatory is set to be a game-changer in our understanding of key ideas such as the expansion of the Universe and the distribution of matter in distant galaxies. But how will it do all this? We spoke to astronomer Dani Leonard, who is working with the Rubin Observatory, to find out. Learn more about your ad choices. Visit podcastchoices.com/adchoices