Doppler shift
Asteroid just missed Earth
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.
Researchers observe the Inverse Doppler effect for the first time.
Einstein proved correct, ..... again!
Extrasolar planets have been grabbing the headlines
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.




