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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-37b, about the size of Earth's moon, orbits a sun-like star 215 light-years away.
Fewer than one in a million star systems in the Milky Way likely host intelligent life.
An Earth-like planet may reside right in our solar system's backyard, just 13 light-years or so away.
Data from NASA’s Kepler mission suggests that 6% of nearby red dwarf stars should have at least one Earth-sized world in the zone where life as we know it can exist. Such planets may have life that is much older than Earth’s.
About 6 percent of the galaxy's red dwarf stars host Earth-like planets, a new study suggests.
It's unknown if the 10-day "safe mode" has solved the problem with NASA's Kepler telescope.
The study of a planetary system might help explain why some planets have odd orbits.
Tapping the vast riches of the solar system could help humanity blaze a trail to other stars for the first time
Kepler has suffered another problem with one of its orientation-maintaining reaction wheels.
Using cast-off military spy telescopes may improve the search for dark energy, but it won't necessarily be cheap.
Planet KOI 172.02 has yet to be confirmed, but it could potentially have water and life.
Astronomers have mapped out the weather of a brown dwarf in unprecedented detail.
The principal investigator for NASA's Kepler Space Telescope will be awarded the 2013 Henry Draper Medal.
Practically all sun-like stars have planets, and one in six has a planet the size of Earth, scientists say.
One in six stars in our galaxy hosts an Earth-size planet in a tight orbit.
Astronomers have spotted comets in six more alien star systems, bringing the tally to 10.
Alien planets born in widely separated, two-star systems are in danger of being booted into interstellar space.
A new study suggests planets are extremely common throughout the galaxy.
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