Patrick Moore presents the latest news on attempts to pick up radio messages from other worlds, with Ian Morison, co-ordinator of SETI in the UK.

British Astronomical Association president Martin Mobberley describes the work of asteroid hunters to Patrick Moore.

A look at what happens when a star dies

Mars, now on view in the evening sky, is a world of craters, valleys, plains and huge volcanoes. The space probe Mars Global Surveyor is at present moving around the planet. Dr Peter Catterrnole , one of Nasa's principal scientific investigators, joins Patrick Moore to give the latest news.

Patrick Moore conducts a "tour" of the evening sky in summer, and takes a preliminary look at the total eclipse of the Sun, which is due on 11 August.

Many people will go to the West Country to see the total eclipse of the Sun on 11 August. Douglas Arnold joins Patrick Moore to explain how to photograph this once-in-a-lifetime event.

Astronomer and Queen guitarist Brian May joins Patrick Moore to discuss what people will be able to see during the total eclipse of the Sun on 11 August.

Dr Peter Cattermole and lain Nicolson join Patrick Moore to discuss Wednesday's total solar eclipse and how to observe it safely.

Patrick Moore and guests look at the results of last week's eclipse, aided by pictures from a variety of observing sites. With Patrick Moore.

Patrick Moore takes a final look at last month's eclipse. Plus what to look for in the autumn skies.

lain Nicolson joins Patrick Moore to discuss the fascinating phenomenon of black holes.

Patrick Moore and Dr John Mason discuss the Leonid meteors - and the spectacle they might provide during November.

Patrick Moore advises on how to choose a telescope.