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Have you ever given any thought to intergalactic SETI? On the face of it, the idea seems absurd — we have been doing SETI in one form or another since the days of Project Ozma and without result. 
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dailygalaxy.com - Scientists confirmed this week that rocks collected recently in the Moroccan desert came from the Red Planet. A little-known fact is that each year Earth is hit by by half a dozen or so one-pound or larger rocks that were...
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To mark his upcoming 70th birthday, Professor Hawking answered questions from Radio 4 listeners, with one asking: 'Will we ever colonise the stars?
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What has puzzled observers and theorists so far is the high proportion of planets — roughly one-third to one-half — that are bigger than Earth but smaller than Neptune. These ‘super-Earths’ are emerging as a new category of planet — and they could be the most numerous of all (see ‘Super-Earths rising’). Their very existence upsets conventional models of planetary formation and, furthermore, most of them are in tight orbits around their host star, precisely where the modellers say they shouldn’t be. “It poses a challenge,” says Douglas Lin, a planet-formation modeller and director of the Kavli Institute for Astronomy and Astrophysics at Peking University in Beijing, China. “You can’t just tweak the parameters. You need to think about the physics.”
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Sydney, Australia (SPX) Nov 22, 2011 - Most scientists think that we are not alone in the universe. Somewhere out there, there must be other intelligent forms of life.
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Within the next few years, the number of planets discovered in orbits around distant stars will likely reach several thousand or more. But even as our list of these newly discovered "exoplanets" grows ever-longer, the search for life beyond our solar system will likely focus much more narrowly on the relatively few of these new worlds which exhibit the most Earth-like of conditions.
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Story: On August 15, 1977 something unusual happened. The most famous of all SETI candidate signals (it was even mentioned on The X-Files), the Ohio State University "Wow!" signal was detected by a couple of young researchers setting up their equipment in a rented shed. Over 30 years later, after more than 100 follow-on studies, it remains an intriguing unexplained phenomenon.
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The simulations were a big undertaking, but the results are in: Without our moon, we would, indeed, suffer larger swings in Earth’s tilt. But here’s the good news: Even over the course of hundreds of millions of years, these swings are not fast and traumatic. Lissauer’s team reckons that the tilt of a moonless Earth would be stable enough, for long enough, to allow complex life to gain a claw-hold, or at least to adapt to new environmental circumstances when the poles moved.
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Members of the public are being asked to become online stargazers and join the hunt for nearby planets that could support life.
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Examples of a crystal previously thought to be impossible in nature may have come from space, a study shows. Via mei
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Scientists have outlined which moons and planets are most likely to harbour extra-terrestrial life.
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Will the future of space exploration evolve into a hybrid of human and robotic expeditions, one which may change the face of humanity in space? The species that you and all other living human beings on this planet belong to...
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The "classic" habitable zone is defined as the location around a star where a planet can sustain liquid water -- but this may not be the only life-supporting...
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