Space research and astronomy

Huygens probe lands on Titan: a scientific leap for mankind

By Robert Stevens, 14 February 2005

“If I have seen further, it is by standing on the shoulders of giants”—Sir Isaac Newton

New findings present theoretical challenge

Universe expanding faster than expected

By Peter Symonds, 17 March 1999

"There are more things in heaven and earth Horatio, than are dreamt of in your philosophy." Hamlet, Act 1, Scene V

Carl Sagan (1934-1996): An appreciation

By Joseph Bradshaw, 13 January 1997

Detailed discussion of his work and materialist outlook, and includes a focus on his attitude to Trotsky.