| January 16, 2009 |  |
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Martian methane latest proof that 'Red Planet' is habitable?
Washington (AFP) Jan 15, 2009Plumes of methane gas detected on Mars could be a sign of geological or biological activity -- and possibly the latest indication that life can be sustained on the Red Planet, according to a study released Thursday. The presence of methane implies active geological, or possibly even biological, processes on Mars, and the amount of methane observed on the "Red Planet" is comparable to some ac ... more Santorini Panorama A Subtle Beauty 
Pasadena CA (JPL) Jan 14, 2009This panorama shows the vista from which NASA's Mars Exploration Rover Opportunity spent five weeks in November and December 2008 while the sun was nearly directly in between Mars and Earth. Opportunity is approaching the fifth anniversary of its landing on Mars, continuing a surface mission that was initially scheduled to last three months. The rover landed on Jan. 24, 2004. Opportu ... more Martian Rock Arrangement Not Alien Handiwork 
Calgary, Canada (SPX) Jan 13, 2009At first, figuring out how pebble-sized rocks organize themselves in evenly-spaced patterns in sand seemed simple and even intuitive. But once Andrew Leier, an assistant geoscience professor at the U of C, started observing, he discovered that the most commonly held notions did not apply. And even more surprising, was that his findings revealed answers to NASA's questions about sediment tr ... more Dawn Making Steady Progress To Next Asteroid Flyby 
Pasadena CA (JPL) Jan 13, 2009Having fulfilled all of its assignments for 2008, the Dawn spacecraft has been unusually quiescent recently. While its operators on faraway Earth have no shortage of work, the probe patiently coasts in its orbit around the Sun, awaiting a brief encounter with Mars on February 17, which will steer it into a new orbit. On October 31, Dawn completed nearly all the ion thrusting that had been ... more Study: Pebbles can move against wind 
Calgary, Alberta (UPI) Jan 8, 2009Pebbles that become part of clastic rocks in places like Arizona's Lower Antelope Canyon don't move with the wind but against it, a geosciences professor said. Rather than being pushed into formations, the pebbles, or clasts, have the loose sand around them removed by the wind, Andrew Leier of the University of Calgary said in the journal Geology. The sand removal causes scour-pi ... more |
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Washington (AFP) Jan 4, 2009The US space agency's Mars rovers Spirit and Opportunity this month mark their fifth anniversary on the Red Planet, where they have endured harsh conditions and revealed a deluge of information. The twin robots, which landed on Mars three weeks apart in January 2004, were initially expected to have just 90-day missions, but have since sent back to Earth a quarter-million images, toured mount ... more China Lauds NASA Mars Rovers Five Year Marker 
Washington (XNA) Jan 05, 2009Mars probe has extended mankind's endless dream of exploring the mysterious universe five years after NASA's rover Spirit landed safely on the planet Mars. The Spirit reached Mars on Jan. 3, 2004, followed by its twin Opportunity three weeks later. Though the duo was expected to work for only three months, they have already functioned five years and may make bigger achievements in the futu ... more Spirit Clocks Up Five Years Exploring Mars 
Pasadena CA (JPL) Jan 03, 2009NASA rovers Spirit and Opportunity may still have big achievements ahead as they approach the fifth anniversaries of their memorable landings on Mars. Of the hundreds of engineers and scientists who cheered at NASA's Jet Propulsion Laboratory in Pasadena, Calif., on Jan. 3, 2004, when Spirit landed safely, and 21 days later when Opportunity followed suit, none predicted the team would stil ... more NASA describes final moments of Columbia tragedy 
Washington (AFP) Dec 31, 2008The crew of the doomed shuttle Columbia was violently spun around in the cabin as the spacecraft disintegrated on reentry, NASA said Tuesday in its final report on the 2003 tragedy that includes safety recommendations. The 400-page report took four years to complete and its conclusions will be used in configuring the future Orion spacecraft that will eventually replace the US space agency's ... more |
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Paris, France (SPX) Dec 22, 2008Observations made with the OMEGA imaging spectrometer onboard Mars Express reveal very strong signatures of sulfates and ferric oxides in Aram Chaos. Detailed morphological analyses indicate that the concentration of ferric oxides in this region results from the alteration of a sulfate rich sedimentary formation resting on the floor of the crater. These results are reported by M. Masse ... more Rock Varnish: A Promising Habitat For Martian Bacteria 
Tucson AZ (SPX) Dec 19, 2008As scientists search for life on Mars, they should take a close look at rock varnish, according to a paper in the current issue of the "Journal of Geophysical Research." The paper describes how a research team led by Kimberly R. Kuhlman, of the Tucson-based Planetary Science Institute, found bacteria associated with rock varnish in an area where the surrounding soils were essentially ... more Possible Explanation For Migration Of Volcanic Activity On Mars 
Boulder CO (SPX) Dec 17, 2008Picture a ball. It's an ordinary ball in every way except that it is roughly 4,300 miles in diameter and is moving through the cold of space some 35 million miles from Earth, and hurtling around the sun in just less than two Earth years. This is Mars. After a first glance at the Martian surface, one may quickly notice two striking global-scale features. The first is the three-mile ... more Phoenix Site On Mars May Be In Dry Climate Cycle Phase 
Pasadena CA (SPX) Dec 16, 2008The Martian arctic soil that NASA's Phoenix Mars Lander dug into this year is very cold and very dry. However, when long-term climate cycles make the site warmer, the soil may get moist enough to modify the chemistry, producing effects that persist through the colder times. Phoenix found clues increasing scientists' confidence in predictive models about water vapor moving through the soil ... more
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