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24 April 2012 Last updated at 19:58 ET

'Snowball fight' in Saturn ringF-ring

The Cassini probe in orbit around Saturn captures evidence of km-sized balls of ice plunging through one of the planet's main rings - its F-ring

Arctic sea iceIce satellite is 'powerful tool'

Europe's Cryosat spacecraft is now watching the ebb and flow of Arctic sea ice with high precision, report scientists.

Lutetia asteroidPlans for asteroid mining emerge

Details emerge of a plan to mine asteroids for their resources backed by film director James Cameron and Google billionaires Larry Page and Eric Schmidt.

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Jonathan Amos, Science correspondent Article written by Jonathan Amos Jonathan Amos Science correspondent
Richard Black, Environment correspondent Article written by Richard Black Richard Black Environment correspondent
David Shukman Article written by David Shukman David Shukman Science editor

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