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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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Studying radio emissions from auroras of Jupiter-like planets could be another technique for detecting exoplanets.
Hunting down alien planets isn't just for professional astronomers anymore.
While some astronomers doubt the existence of the "first potentially habitable" alien world Gleise 581g, its co-discoverer holds fast.
Kepler investigator discusses the latest finds and how it's likely to shape our search for life elsewhere in the galaxy.
A Q & A with astronomer Geoff Marcy, who has had a hand in discovering more alien planets than anybody else.
The newly discovered Kepler-10b isn't the first alien planet that astronomers have announced is rocky. But they're more sure about Kepler-10b's composition than they've been before, because they know its host star so well.
SETI Institute experts address four pivotal issues on the topic of intelligent life beyond Earth and how to systematically and scientifically look for it.
Space-science researchers made a number of extraordinary discoveries in 2010, including finding what may or may not be the first habitable alien world and uncovering clues to the nature of dark matter.
The alien world Gliese 581g has been getting a lot of attention recently, but a case is building for its neighbor planet as a good candidate for extraterrestrial life.
An alien star has now been discovered to have an extra planet that astronomers so far cannot explain. A fourth planet has been imaged orbiting the bright, very young star.
A huge, scorching-hot alien planet boasts surprising amounts of carbon, suggesting that worlds beyond our own solar system may be far more diverse than scientists had imagined, according to a new study.
Scientists haven't found ET, but the discovery of a microbe that can thrive on arsenic should greatly broaden the search for life beyond Earth, according to experts.
The very first time scientists have analyzed the atmosphere of an alien super Earth, they discovered clouds that could be water vapor.
The first analysis of a so-called "super Earth" exoplanet atmosphere reveals the distant world is likely covered in water vapor or haze.
The 500th alien planet appears to have been discovered, extrasolar planet trackers say. Less than 20 years after confirming the first exoplanet, astronomers have bagged No. 500.
The first alien planet ever confirmed to come from another galaxy could help scientists better understand the fate of our own solar system, researchers say.
The first alien planet ever confirmed to come from another galaxy could help scientists better understand the fate of our own solar system, researchers say.
The first alien planet from another galaxy has been detected, a new study suggests.
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