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Unsettled Youth

Topic: Cosmic Evolution | 11/ 07/ 09

NASA's Spitzer Space Telescope has discovered a young star where young planets jostle about like unsettled children. The system may be similar to our own solar system before our planets settled into their familiar orbits.

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Great Debates

The media and others place a great deal of emphasis on the threat of asteroid and comet impacts. Is... more

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Interviews

After a year's delay, the MARSIS instrument on the European Space Agency's Mars Express orbiter will... more

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Expeditions

The "Ice Diary" series explores the adventures of a dedicated group of meteor hunters. The National ... more

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Retrospections

The moon is sometimes referred to as Earth's childhood attic, a rich repository of what the early te... more

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News Exclusives

New studies of mixotrophic algae have shown how such organisms could survive the darkened skies that... more

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Image of the day 11/07/09
Stickney Crater
Stickney Crater more Images of the Day

Podcasts	08/18/08
	Is All Life Left-Handed? Host Simon Mitton interviews Axel Brandenburg, an astrobiologist at the NORDITA research facility at... more

Video	10/20/09
	ESO Reports 32 New Planets Astronomers report the discovery of more than 30 new exoplanets. Credit: ESO Acknowledgements: Visua... more