New results from the Hubble Space Telescope reveal a fascinating and unexpected puzzle surrounding the age of the universe. Patrick Moore and Dr. Shaun Hughes of the Royal Greenwich Observatory discuss the implications.

Professor Iwan Williams of Queen Mary and Westfield College joins Patrick Moore to examine some recently discovered little worlds.

The planet Mars is now prominent in the evening sky, and a telescope can show its red dust deserts. Presented by Patrick Moore with Dr Peter Cattermole.

To mark his 500th appearance presenting the show, Patrick Moore gives an enthusiastic tour of the night sky. He surveys the planets Mars, Venus and Jupiter and marvels at dazzling constellations, star clusters and nebulae.

Dr Chris Kitchin of the University of Hertfordshire, joins Patrick Moore to discuss how stars are born.

For the first time in 15 years Saturn's rings are facing edgewise on to the Earth. Dr. Carl Murray joins Patrick Moore to explain exactly what is happening.

Patrick Moore takes part in a flight aboard the Kuiper Airborne Observatory.

Dr Steven Millerjoins Patrick Moore to summarise the full analysed results of the comet Shoemaker-Levy's collision with the planet Jupiter in 1994.

It is now a commonly held belief that mankind is the sole advanced form of life in the solar system. But there are so many stars that the chances of humans being alone in the universe seem infinitesimally small. Presented by Patrick Moore

Patrick Moore with news of Uranus, Neptune and Pluto.

Dr Russell Cannon talks with Patrick Moore about the Anglo-Australian Observatory telescope's new facility.

Dr John Mason talks to Patrick Moore about the Leonids, seasonal meteor showers which this year are predicted to be abundant.

The Galileo probe to Jupiter is now due to send back information on the giant planet. Professor Garry Hunt joins Patrick Moore for an update.