Helen Gavaghan

Fewer guns, but not much butter, in Bush's budget . . .

'Ozone culprits' named by American pressure group

NASA report sparks tug of war over control of space policy

Technology

Technology: Pedal power lifts helicopter into history . . .

Technology

Technology: NASA names a date for the first people on Mars

Earth

Effect of global warming on sea levels 'overestimated'

Soviet Union moves towards greater cooperation in space

Technology

Technology: Catastrophic collisions in orbit could stop space research

Greening of Industry: Bush drives for clean air - President Bush has announced proposals to protect the environment from pollution. Can he achieve this without harming the economy?

A celestial odyssey for Galileo: Next week, the space shuttle Atlantis should launch the spacecraft Galileo on a six-year journey to Jupiter. It will get there the quickest way it can, by flying once to Venus and twice to Earth

Technology

Technology: Fears over pollution give hydrogen a lift

Ministers plan for internal energy market by 1992