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| Alien Life More Likely on 'Dune' Planets |
| Topic: Alien Life |
09/01/11 |
| A new study finds that desert worlds -- like the planet Arrakis in the sci-fi classic "Dune" -- might be the more common type of habitable planet in the galaxy, rather than watery planets such as Earth. |
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| Greenhouse Effect Could Extend Habitable Zone |
| Topic: Alien Life |
08/25/11 |
| Astronomers generally expect planets with liquid water to exist close to their parent star. But new research shows that some planets orbiting at the same distance as Saturn could have lakes and oceans. |
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| Out of Thin Martian Air |
| Topic: Mars |
08/22/11 |
| Mars has lost an ocean's worth of water, but to find where it all went will take satellites and computer models working in conjunction. |
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| Amino Acid Alphabet Soup |
| Topic: Origin & Evolution of Life |
08/18/11 |
| All life on Earth relies on a standard set of 20 amino acids to build the proteins that carry out life's essential actions. But did it have to be this way? |
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| Living Dangerously |
| Topic: Earth |
08/11/11 |
| In an exclusive podcast for astrobio.net, Dr. David Grinspoon, astrobiology curator at the Denver Museum of Nature & Science, discusses our violent Earth. He explains why earthquakes, severe weather, and other aspects of the dynamic environment may be necessary for life to exist. |
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| The Odds for Life on a Moonless Earth |
| Topic: Spaceship Earth |
08/04/11 |
| If a rocky planet has no moon, could complex life still arise? New research looks at the effects a large moon can have on a planet´s orbital stability over time. |
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| Hunting For Worms From Hell |
| Topic: Extreme Life |
07/28/11 |
| Worms found miles underground in South African mines surprised scientists, because they never thought complex life could reside at such depths. These "worms from Hell" add to our understanding of life on Earth, and make us rethink assumptions about how complex life could be on Mars or other planets. |
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| Sulfurous Signs of Life |
| Topic: Alien Life |
06/30/11 |
| Sulfurous molecules seen on alien worlds might indicate those distant planets host life, researchers suggest. |
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| How to Keep Lonely Exoplanets Snug – Just Add Dark Matter! |
| Topic: Cosmic Evolution |
06/23/11 |
| Dark matter, inferred to exist from its gravitational effects on the universe, is still a mystery to scientists. But a new study says that dark matter could help life evolve and survive on distant worlds outside of our solar system. |
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