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Doppler shift

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Hunting for life in alien worlds

Two of the most fundamental questions asked by people are how life emerged on the Earth, and whether we are alone in the cosmos. These deeply important questions form the core of a new kind of science, one that recently has been rapidly gathering momentum: astrobiology. Lewis Dartnell explains.
News story

Stellar heartbeats

Astronomers have for the first time listened to the heartbeat of a star other than our own Sun.
Article

The dynamic sun

On 11th August 1999 a total eclipse of the Sun will be visible from parts of the UK. It will provide a spectacular display, but why is the Sun so interesting? Helen Mason explains.