The team investigates the controversial world of alien communication. If we discover aliens, how would we contact them, and should we communicate with them at all? Show more

The Sky at Night team meets the scientists in the UK researching the astonishing new data returned by the James Webb Space Telescope. Show more

Insight - NASA's latest mission to Mars - goes in search of the secrets below its surface to reveal how the planet was formed and why it is so different from the Earth. Show more

The team unveil the most detailed 3D map of the Milky Way ever, which reveals that there may be 50 per cent more stars in the galaxy than previously thought. Show more

The team travel to La Palma in the Canary Islands where they take control of some of the world's largest telescopes to view the sky's most spectacular sights. Show more

Chris and Maggie report on the reaction to the dramatic announcement of the discovery of phosphine gas in the clouds of Venus, a gas that could be a sign of life. Show more

Chris Lintott and Maggie Aderin-Pocock consider the state of astronomy in 2020 and wonder what new, exciting discoveries await us across the rest of the decade. Show more

The world of astronomy with Patrick Moore. The start of a new solar cycle means the Sun's activity is about to hot up.

Patrick Moore discusses what Herschel, Europe's biggest and most expensive space satellite, will do once it begins its infrared exploration of the universe. Show more

Sir Patrick Moore charts the development of the telescope over four centuries and fasts forward to meet the astronaut who repaired the Hubble Space Telescope. Show more

The team looks at the cosmic impacts which have shaped the universe around us, from asteroids crashing into the surface of the moon to galaxies colliding with each other. Show more

The 'top five' images the Hubble Space Telescope has produced, transforming our understanding of the universe and our place in it. Show more

The Sky at Night team look at cosmic explosions, including those of our sun and the most violent and energetic events in the universe, gamma ray bursts. Show more

Patrick Moore finds out about British ambitions to go to the Moon and Chris Lintott travels to NASA to hear about plans to blast a crater in the lunar surface. Show more

Chris Lintott uses the Sky at Night archive to reveal the deepest secrets of galaxies, from their earliest beginnings to their very ends. Show more

Chris Lintott opens up The Sky at Night's 60-year archive to reveal how stars work, their life cycles and how their own demise holds the key to our very existence. Show more

Patrick Moore talks to scientists who are trying to unlock the secrets of the ice geysers on Saturn's moon Enceladus, which spew out material into space. Show more

Patrick Moore discusses the chances of an encounter with an asteroid, after telescopes recently got a unique view of an asteroid disintegrating in our atmosphere. Show more

The 29th July 1969 heralded one of the greatest achievements in human exploration when man stepped on the moon. Forty years on, Patrick Moore and guests reminisce. Show more

The team is at mission control as the Rosetta probe catches up with the comet it has been chasing across the solar system and prepares to send out a lander. Show more