Tiny dip could point to cosmic-ray origins
Calculations help pin down GZK cut off
Read article: Hubble to get new lease of life
Hubble to get new lease of life
Space Shuttle astronauts will, after all, extend the life of the ageing Hubble telescope
Read article: “Smust” soaks up ethane on Titan
“Smust” soaks up ethane on Titan
Ethane on Saturn's largest moon Titan could be bound up in dusty smog particles, or "smust".
Read article: Learning lessons from Galileo
Learning lessons from Galileo
Galileo returns to the stage
Read article: Japan launches satellite to study the Sun
Japan launches satellite to study the Sun
Satellite that could warn of dangerous solar explosions was launched successfully on Saturday
Read article: Impossible supernova confounds astronomers
Impossible supernova confounds astronomers
Re-evaluation of astronomical distances could be necessary
Grand deuterium challenge unveiled
Researchers propose a way to directly measure the amount of deuterium in the early Universe
Read article: Pluto relegated to dwarf status
Pluto relegated to dwarf status
Astronomers define ninth planet and its largest moon as double-dwarf system
Read article: Gravity lens reveals dark matter
Gravity lens reveals dark matter
Multiple observations of colliding galaxies provide evidence of dark matter
Read article: COBE team wins cosmology prize
COBE team wins cosmology prize
Astrophysicists honoured for their work on the cosmic microwave background
