
Dark matter: The evidence
2 February 2011
Eighty per cent of the total matter in the cosmos is invisible to conventional telescopes. But if we can't see it, how can we be so sure it's there?

2 February 2011
Eighty per cent of the total matter in the cosmos is invisible to conventional telescopes. But if we can't see it, how can we be so sure it's there?
19 January 2011
What will the world of work be like in 20 years time as climate climate change, demographic swings and technological innovation transform the way we earn a living?

19 January 2011
A newly confirmed planet is a scorching 3200 °C – its proximity to its host star is only partly to blame

12 January 2011
Long nights spent peering into the cosmos are over, for humans at least. Artificial intelligence will take charge of the planet's greatest telescopes

12 January 2011
One way that Gliese 581Â g could host life is if it is a frozen world with a single, pupil-like ocean of liquid water

5 January 2011
A newly discovered dearth of cosmic objects at a particular range of masses could provide a clean way to divide planets and brown dwarfs

1 December 2010
A planet 6.5 times as massive as Earth called GJ 1214b has an atmosphere dominated by steam or cloudy haze, new observations suggest

8 November 2010
Eris, a distant body that triggered the debate about what constitutes a planet, may actually be smaller than Pluto, according to new observations

13 October 2010
Two weeks after one team of astronomers announced finding the habitable planet Gliese 581 g, another team says it can find no evidence of the world in its data

29 September 2010
A rocky body about three times as massive as Earth has been found in the cosy "habitable zone" around its star – the find suggests habitable planets are common