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Latest News About Alien Planets
An alien planet orbits a star other than our sun, and is sometimes called an "exoplanet." Learn more about the types of alien planets, including exoplanets and extrasolar planets, and get the latest news.
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Kepler-21b orbits just 3.7 million miles from its star.
The massive planet 55 Cancri d flips itself upside-down and drags its four sibling planets along for the ride.
Astronomers bagged exoplanet 600 just two months ago.
Water may not be the only liquid that can support life.
What was the most amazing view from space this week?
Was it the doomed falling satellite, the possibilities of vacations to space or something else?
What was the most amazing view from space this week?
Astronomers have photographed a newly forming planet for the first time.
This cool space wallpaper reveals a view of the Universe that cannot be seen at all by visible-light and infrared telescopes.
The ALMA radio telescope array is now open for business.
There are about as many binary systems as there are single stars.
The Kepler 16 system is just 200 light-years away, in the constellation Cygnus (the Swan).
Learn how the "super-Earth" alien planet HD 85512 b could potentially support life in this SPACE.com infographic.
Astronomers found the planet Kepler-19c after noticing how its gravity tugged on a neighbor world.
Surprisingly, desert planets may be more habitable than wet worlds.
Ice planets sparkle, but a new planet made of diamond may well put them all to shame.
Scientists may have explained the weird orbits of many alien planets.
NASA's Kepler Space Telescope will look hard at the object to see if it has any companions.
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