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Venus has an Ozone Layer, Too

Topic: Venus | 10/ 11/ 11

ESA's Venus Express has discovered an ozone layer on Venus. Comparing Venus' ozone layer to those on Earth and Mars will help astrobiologists refine the search for life on other planets. Comparing Venus to Earth can also help scientists better understand the principles of climate change on our own planet.

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Secrets of Asteroid Minerva and its Moons
Topic: Meteorites, Comets and Asteroids | 10/10/11
Observations of Minerva indicate that it may be structurally unique among asteroids.

Great Debates

In the final part of this series, the debate participants respond to questions posed by our readers.... more

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Interviews

Astronomer Royal, Sir Martin Rees describes how for the first time, humans as a species may start to... more

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Expeditions

Microbialites, strange carbonate structures that line the bottom of Pavilion Lake in British Columbi... more

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Retrospections

At the recent Earth System Processes II conference, Dr. Jack Farmer of Arizona State University gave... more

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News Exclusives

The intense radiation around Jupiter will complicate possible future missions to the moon Europa. A ... more

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	Sci-Fi vs. Science Fact How much do you know about space travel and the search for extraterrestrial life? take the quiz

Image of the day 10/11/11
NGC 7635: The Bubble Nebula
NGC 7635: The Bubble Nebula more Images of the Day

Podcasts	10/03/11
	Skeptic Check, Beast Of Zombies, aliens, Bigfoot, oh my!! We’ve covered – or rather uncovered – them all and more o... more