With the International Year of Astronomy now in full swing, leading figures from the world of astronomy reveal what they think are the biggest challenges for the subject
From boss of the CERN particle-physics lab to head of the UK’s fusion programme, Chris Llewellyn Smith has held some of the top jobs in physics. He talks to Michael Banks a...
The International Year of Astronomy marks the 400th anniversary of the first use of an astronomical telescope by Galileo Galilei. As the 2009 celebrations kick off, Read article: Reasons to be cheerful