Earth's Moon is 'cosmic rarity'

Cosmic crash reveals dark matter
Striking evidence has been found for the enigmatic "stuff" called dark matter which makes up 25% of the Universe.

Black holes 'dodge middle ground'
For black holes, there appears to be very little room for mediocrity, astronomers have found.

Virtual telescope opens night sky
Microsoft launches a free tool that allows amateur star-gazers to explore the universe from their computers.

Cosmic 'treasure trove' revealed
A space probe measuring the oldest light in the Universe has found that cosmic neutrinos made up 10% of matter shortly after the Big Bang.

New walk from vexed space station
International Space Station astronauts try to resolve the latest of a series of glitches that have plagued their mission.