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New eyes for an ageing star

14 January 1995

By the mid-1980s, light pollution from Los Angeles was just too much for the venerable Hooker Telescope. Now some smart technology is restoring its sight

Life and times of a star

26 November 1994

At first glance, all stars may look the same. But stars actually differ greatly from one another. By understanding and classifying these differences, astronomers have been able to learn the secrets of the stars and what makes them tick

The Other Australia

29 October 1994

There are two Australias, say marine scientists: the one where everyone lives, and the one where nobody lives, the four points on Australia's compass

A death in the neighbourhood: Why did a giant red star turn orange before it died? Who stole its hydrogen? And what does it mean for the astronomers on the case?

26 March 1994

Dust in space

17 May 1991

The Galactic empire

1 December 1990

Our Milky Way is more than just a huge spiral galaxy, it is also the centre of a vast empire that spans more than a million light-years and governs at least 10 other galaxies

The death throes of a red giant: Astronomers have known for years that old stars swell up to become red giants. Now they are beginning to understand how these stars cook up many important elements, such as carbon

24 March 1990

Rocky dwarfs and gassy giants

10 February 1990

Origin of the chemical elements

3 February 1990

Good vibrations from the stars: Our planet rings like a bell after a large earthquake. Stars can ring, too. Astronomers use these vibrations to probe stellar interiors and even estimate the age of the Universe

27 January 1990