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Extraterrestrial


— Space

Is ET dead – and are we next?

With the number of potentially habitable exoplanets in our galaxy alone estimated to be in the billions, many wonder why we are yet to see signs or hear from intelligent alien life. A pair of astrobiologists from the Australian National University (ANU) Research School of Earth Sciences hypothesize the reason may be that ET could be long dead. According to Aditya Chopra and Charley Lineweaver, conditions on young planets are so volatile that if life doesn't evolve fast enough to stabilize the environment, it will quickly become extinct.

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— Space

The Breakthrough Initiatives: Galvanizing the search for life in our Universe

At a Royal Society event in London earlier this week, Professor Stephen Hawking, Astronomer Royal Lord Martin Rees, and entrepreneur Yuri Milner announced an ambitious 100 million dollar initiative aimed at galvanizing the search for extraterrestrial life. The initiative would seek to make use of a blend of cutting edge telescopes and crowd sourcing to bring the hunt for life in line with present day technological capabilities.

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— Space

Super-sensitive motion sensor could be used to hunt for extraterrestrial life

People often state that certain planets are too hot, cold or toxic to support life. The catch, however, is that those people are really just talking about life as we know it here on Earth. By that same token, when rovers exploring other planets seek out chemical signatures associated with life forms, they're only able to identify chemicals that we know to look for. That's why Swiss scientists from the EPFL research center have created a device that identifies microscopic life, based on nanoscale movements instead of chemistry. Read More
— Science

The Milky Way may host over 100 million planets supporting complex life

A survey conducted by astronomers at Cornell University has taken into account the characteristics of 637 known exoplanets and elaborated a Biological Complexity Index (BCI) to assess the relative probability of finding complex life on them. Their data supports the view that as many as one hundred million planets scattered around the Milky Way, and perhaps more, could support life beyond the microbial stage. Read More
— Space

SpaceHabs: One man's architectural vision for colonizing Mars

With a projected settlement date of 2025, the Mars One project has received over 200,000 applications for the one way trip to the Red Planet. But creating a living, sustainable community on the distant planet for the select inhabitants will require not only unique technological and engineering solutions, but also novel architectural systems. Bryan Versteeg is a conceptual designer who’s been working with the Mars One team in anticipation of the planet’s eventual colonization. Read More
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