Learn more about the strange new class of planets that wander alone in the galaxy.
Computer analysis of the wobble of a nearby star may have turned up evidence for a small, Earth-sized world -- but don't get too excited about it being habitable.
Just as NASA’s Kepler space telescope was to begin a unique survey of planets without parent stars, ground control teams discovered the observatory had put itself into emergency mode due to an unknown technical problem.
Communications with the Kepler space telescope have been resumed and hopes are high that the embattled mission will soon get back to the business of finding alien worlds.
An exoplanet has been discovered in a very strange star system more bizarre than most science fiction storylines.
Astronomers have, for the first time, mapped a nearby 'super-Earth' exoplanet to find that one hemisphere is almost completely molten rock, while the other half is almost completely solid.
How the heck can we find, let alone communicate with, extraterrestrial intelligences when there's billions of potentially life-friendly planets to survey?
For the first time, a super-Earth's atmosphere has been analyzed -- but don't make any vacation plans to visit.
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