
A new wave in astronomy: Astronomers are excited by the possibilities of exploring a neglected part of the electromagnetic spectrum. Extreme ultraviolet radiation can reveal the hottest stars and probe the gases in space
29 September 1989

29 September 1989

5 May 1989

14 April 1989

14 April 1989
With oil slicks and ozone holes, submarines on fire and perils from the greenhouse effect, the Arctic is no longer a political or scientific backwater

1 June 1988