How did the universe begin? June 24, 2008 | User rating: 4.2 / 5 after 141 vote(s)
| User comments: 136
One of the most interesting questions considered by astrophysicists deals with the start of our universe. Indeed, there is a great deal of speculation on the subject, with different theories about how the universe began, ... | |
 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 ... | |
 Ocean Planets on the Brink of Detection February 02, 2007 | User rating: 4.5 / 5 after 118 vote(s)
| No comments yet
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 ... | |
 The Case for Habitable Exoplanet Moons April 27, 2006 | User rating: 4.6 / 5 after 72 vote(s)
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As scientists refine their methods, exoplanets are becoming easier and easier to detect. The current count is 163 planets orbiting 97 main-sequence stars, of which only one is even remotely Earth-like. All ... | |
 'Hot Jupiter' Systems may Harbor Earth-like Planets March 19, 2006 | User rating: 4.1 / 5 after 55 vote(s)
| No comments yet
The catalogue of confirmed extrasolar planets ('exoplanets') is growing rapidly. There are currently approximately 133 known planetary systems, harboring a total of 156 exoplanets as of January 2006*. With ... | |
 It Comes From Space to Solve our Energy Problems March 11, 2006 | User rating: 4.7 / 5 after 74 vote(s)
| No comments yet
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 ... | |
 MIT Researchers Take Space Suit to Next Level February 08, 2006 | User rating: 4.8 / 5 after 100 vote(s)
| No comments yet
Researchers in the Man Vehicle Laboratory (MVL) at the Massachusetts Institute of Technology have begun this month to push a revolutionary new space suit design from investigation to initial development, aiming ... | |
 Interstellar Spaceflight: Is It Possible? December 07, 2005 | User rating: 3.3 / 5 after 284 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 61 vote(s)
| No comments yet
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: 3.8 / 5 after 46 vote(s)
| No comments yet
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)
| No comments yet
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
| |
 Oceanic ecosystem in the wake of hurricanes October 02, 2005 | User rating: not rated yet | No comments yet
A federal program to rebuild the ecosystems of the Louisiana Delta at the mouth of the Mississippi River took a hit last month when Hurricane Katrina roared through the gulf. The Golden Meadow Plant Materials ... | |
 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 ... | |
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