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NASA's Durable Spirit Sends Intriguing New Images From Mars |
| Working atop a range of Martian hills, NASA's Spirit rover is rewarding researchers with tempting scenes filled with evidence of past planet environments - NASA/JPL |
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Cassini Finds Enceladus Tiger Stripes Are Really Cubs |
| The Cassini spacecraft discovered the long, cracked features dubbed "tiger stripes" on Saturn's icy moon Enceladus are very young. They are between 10 and 1,000 years old - NASA |
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100 Billion Brown Dwarfs |
| After decades of searching, astronomers discovered the first definite brown dwarf only 10 years ago. Now, a new analysis of Hubble Space Telescope data implies our galaxy has almost as many of these failed stars as it does normal stars like the Sun - Astronomy |
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Dark Matter Highlights Extra Dimensions |
| Welcome to the fourth dimension. And the fifth, and the sixth. A team of astrophysicists claims to have identified evidence that space is six-dimensional - Nature |
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Saturn's Dynamic Satellite |
| Planetary scientists continue to analyze the rich trove of observations taken by the Cassini spacecraft as it flew within 110 miles (175 kilometers) of Enceladus' surface July 14. As they do so, they find mounting evidence that ground fractures near the south pole vent water vapor, creating the moon's atmosphere - Astronomy |
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XMM-Newton Probes Formation Of Galaxy Clusters |
| ESA’s X-ray observatory, XMM-Newton, has for the first time allowed scientists to study in detail the formation history of galaxy clusters, not only with single arbitrarily
selected objects, but with a complete representative sample of clusters - ESA |
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Fastest Pulsar Set To Escape The Milky Way |
| Astronomers have spotted the fastest moving stellar corpse to date – and it appears to be headed straight out of our galaxy - New Scientist |
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Massive Star In The Making |
| A recently completed dish array finds tantalizing evidence that nature makes big stars and little ones the same way - Sky and Telescope |
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Nuclear-Reactor Spacecraft Poor For Astronomy |
| Spacecraft powered by nuclear fission reactors are of limited use to astronomers, the US National Research Council panel has concluded - New Scientist |
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Hubble Space Telescope Begins "Two-Gyro" Science Operations |
| NASA's Hubble Space Telescope entered a new era of science operations this week, when engineers shut down one of the three operational gyroscopes aboard the observatory - Space Telescope Science Institute |
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