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: Pluto relegated to dwarf status
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
Galaxy survey fails to add up
Californian astronomers are bewildered by strange anomaly in number of galaxies
Read article: Where did all the lithium go?
Where did all the lithium go?
Riddle over the universe's missing lithium could be solved
Read article: Giant “starshade” could reveal new exoplanets
Giant “starshade” could reveal new exoplanets
Blocking the light from a parent star with a plastic shield could let astronomers directly observe orbiting planets
Read article: New names for Pluto’s moons
New names for Pluto’s moons
Two small satellites have officially been christened Hydra and Nix
Read article: Chandra solves black hole mystery
Chandra solves black hole mystery
Measurements reveal that black holes suck in matter magnetically as well as gravitationally
Read article: Amateur astronomers prove their mettle
Amateur astronomers prove their mettle
A new extra-solar planet has been discovered with the help of a group of amateurs.
Read article: How Triton met Neptune
How Triton met Neptune
New model suggests Neptune's largest moon was originally part of a binary system
