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Solar Systems

The Darkest Worlds

Seth Shostak | Posted 05.15.2013 | Science
Seth Shostak

Imagine a world where the Sun doesn't shine -- ever. A place where there are nights but no days, and where the term "year" has no meaning. On such an unlit world, you'll never see anything in the sky brighter than the puny sparkle of the stars.

Strange Way Sizzling Hot Planet Cools Off Own Sun

| Posted 02.02.2013 | Science

By Ken Croswell What do you do if you're a hot Jupiter and want to cool off? Why, you use your gravity to lift up the surface of your sun, cooling it...

SPOTTED: Alien Planets Being Born

Posted 11.30.2012 | Science

By: SPACE.com Staff Published: 11/30/2012 10:32 AM EST on SPACE.com Astronomers have detected dust grains glomming together around a faraway star, ...

Real-World 'Tatooine' Planets May Have Weird Orbits

Posted 11.15.2012 | Science

By: Charles Q. Choi Published: 11/14/2012 01:12 PM EST on SPACE.com The more stars a system of alien worlds starts with, the more likely those plan...

Developers Install Alternative Energy in Old and New Structures

Susan Buchanan | Posted 10.05.2011 | Green
Susan Buchanan

During a power outage, you may have groped your way through a hall or stairwell, praying that the lights come on soon. Today's developers are installi...