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The Cosmos Portal  is a gateway on the Web to astronomy and space science. We invite astronomy professionals to publish articles, blogs, news items, image galleries, videos, class notes, lectures, powerpoint presentations, links to other high quality websites or other educational material.
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In parallel amateur astronomy organizations and amateur astronomers and telescope makers are invited to start websites in the Community Sites.
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Shuttered SETI reboots ET pursuit

By Rik Myslewski in San Francisco, Posted in Space, 15th August 2011 23:32 GMT The search for intelligent life somewhere other than among non-governmental homo sapiens has been given a...

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  • The European Space Agency's X-ray Multi-Mirror satellite is the most powerful X-ray telescope ever placed in o...
  • Kuiper Belt: In 1950, Dutch astronomer Jan Oort proposed that certain comets came from a vast spher...
  • One of the goals of modern astronomy is to better understand how stars form -- knowledge that will help us mod...
  • Disk galaxies are highly flattened, roughly circular galaxies, that are shaped like a disk. Some, like our Mil...
  • Comet Tempel 1, discovered in 1867 by the German astronomer Wilhelm Tempel, orbits the sun every 5.5 years. In...
  • In 1774 the French astronomer Charles Messier published a catalog of 109 fuzzy-looking objects he discovered i...
  • Globular clusters are roughly spherical ensembles of stars, as many as a million stars in some cases, that are...

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