
Planet collision could explain alien world's heat
9 January 2008
A colossal clash of planets may explain why an alien world 170 light years from Earth is piping hot

9 January 2008
A colossal clash of planets may explain why an alien world 170 light years from Earth is piping hot

21 November 2007
Collisions between large rocky objects, such as the one that probably created our Moon, occur in very few solar systems, a study suggests

27 September 2007
The mission will use an advanced ion engine to reach two titans of the asteroid belt – Vesta and Ceres

12 September 2007
A planet that was singed when its host star swelled into a red giant has lived to tell the tale – the Earth will probably not be so lucky

12 July 2007
Contrary to previous suggestions, Uranus and Neptune do not boast diamonds – but white dwarf stars do, a new study suggests

14 June 2007
By observing the orbit of its tiny moon, astronomers have calculated the mass of the icy world Eris – it is 27% heftier than Pluto

16 May 2007
Whether or not these planets really are warming, this cannot be due to an increase in solar output as some claim

24 April 2007
Astronomers have found the first planet that might be hospitable to life – it's not much bigger than Earth and is as balmy as New York in June

11 April 2007
Depending on the planet's atmosphere and its host star's light, the foliage sprouting up on other Earths may look yellow, orange – or even black

27 March 2007
NASA's New Horizons spacecraft recently suffered a memory problem that could have spelled disaster, but quickly regained its composure