 It Comes From Space to Solve our Energy Problems March 11, 2006 | User rating: 4.7 / 5 after 74 vote(s)
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GreenFuel Technologies Corporation, a start-up company in Cambridge Massachusetts, wants to use little green algae to cleanse the smoke from polluting smokestacks, converting it back into bio-fuels such as ... | |
 Interstellar Spaceflight: Is It Possible? December 07, 2005 | User rating: 3.3 / 5 after 277 vote(s)
| User comments: 1
With current space travel limited to just a few robotic probes visiting nearby planets, how realistic is it to think about reaching the nearest stars? For the short term, not very – especially when we speak ... | |
 Manned vs. Unmanned Space Exploration (Part 2) November 25, 2005 | User rating: 3.9 / 5 after 60 vote(s)
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Watching the Apollo landings on the moon as a child I could hardly have imagined I was seeing the end of an era – that of manned exploration of space. Shuttle trips to low earth orbit not withstanding; the ... | |
Manned vs. Unmanned Space Exploration (Part 1) November 23, 2005 | User rating: 3.9 / 5 after 41 vote(s)
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Watching the Apollo landings on the moon as a child I could hardly have imagined I was seeing the end of an era – that of manned exploration of space. Shuttle trips to low earth orbit not withstanding; the ... | |
 How to find a black hole October 20, 2005 | User rating: 3.8 / 5 after 20 vote(s)
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Black holes. Just the name evokes mystery and intrigue. But do they really exist?
| |
Unlocking the organic composition of ancient asteroids October 07, 2005 | User rating: not shown ( 1 vote(s) ) | No comments yet
New technology discovers primitive organic matter in 4.5 billion year old meteorites
| |
 Drilling on Mars to find evidence of ancient organisms: a second genesis of life? September 15, 2005 | User rating: not shown ( 3 vote(s) ) | No comments yet
Was there ever life on Mars? The answer to this question would do more than just satisfy curiosity. Researchers from NASA announce a plan to drill on Mars in search of ancient Martian organisms for comparison ... | |
 First Analysis of the Water Requirements of a Hydrogen Economy October 18, 2007 | User rating: 4.3 / 5 after 126 vote(s)
| User comments: 28
One of the touted benefits of the futuristic US hydrogen economy is that the hydrogen supply—in the form of water—is virtually limitless. This assumption is taken for granted so much that no major study has ... | |
28 new planets, 7 new brown dwarfs reported by California, Carnegie team May 29, 2007 | User rating: 4.5 / 5 after 38 vote(s)
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The world's largest and most prolific team of planet hunters announced the discovery of 28 new planets outside our solar system, increasing to 236 the total number of known exoplanets. | |
 Ocean Planets on the Brink of Detection February 02, 2007 | User rating: 4.5 / 5 after 116 vote(s)
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Imagine a world with no land at all, merely the impenetrable depths of a seething ocean. Models of planet formation predict the existence of such worlds, even though our own solar system has none. Indeed, ... | |
Terrestrial Planet Formation in Binary Star Systems January 26, 2007 | User rating: 4.5 / 5 after 42 vote(s)
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The list of confirmed extrasolar planets keeps growing, and has now passed two hundred members — almost all of which are gas giants like Jupiter and Saturn. But the hunt is on for Earth-like worlds! With the successful launch ... | |
Geologists Provide New Evidence for Reason Behind Rise of Life in Cambrian Period December 07, 2006 | User rating: 4.4 / 5 after 41 vote(s)
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Geologists have uncovered evidence in the oil fields of Oman that explains how Earth could suddenly have changed 540 million years ago to favor the evolution of the single-celled life forms to the multicellular forms we know ... | |
 Possible Signs of Liquid Water Flowing on Mars December 06, 2006 | User rating: 4.6 / 5 after 67 vote(s)
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NASA photographs have revealed bright new deposits seen in two gullies on Mars that suggest water carried sediment through them sometime during the past seven years. | |
 Cassini Image Shows Saturn Draped in a String of Pearls October 11, 2006 | User rating: 3.9 / 5 after 38 vote(s)
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Saturn appears dressed to the nines, "wearing" a strand of "pearls" in a stunning infrared image from the Cassini spacecraft that showcases a meteorological phenomenon. | |
 Researchers find new information about Earth's origins October 05, 2006 | User rating: 4.3 / 5 after 66 vote(s)
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Two Dartmouth researchers have learned more about the origins and makeup of the solar nebula, the large gaseous cloud thought to have spawned the solar system. Mukul Sharma, assistant professor of Earth sciences, ... | |
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