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KELT-11b has the density of Styrofoam, which may help explain extremely inflated exoplanets.
Sauron would have wanted this fiery Jovian moon for his summer home.
Atmospheric ions detected by the spacecraft are telling us why they’ve been escaping.
Ancient eyewitness accounts of aurorae may help us predict the next solar storm.
Weird weather could help astronomers understand the stellar phenomenon behind it.
Observing galaxies billions of light-years away is like looking through a portal at the birth of our own.
An unexpected computer error has brought a new exoplanet out of hiding.
If E.T. is phoning home, how do we phone E.T.? Researchers at Caltech’s or ET Lab—Exoplanet Technology Laboratory—may have the answer.
Could fast radio bursts be powering alien starships? These scientists seem to think so.
With Astronomy Rewind, you could be in on the next big cosmic discovery.
CFBDSIR 2149-0403 may not be a flying saucer, scientists are baffled as to whether it is a planet or a star.
The presence of prebiotic organic compounds on Titan is slowly changing scientists’ idea of where life could possibly survive.
Science outshines magic when cosmic dust reveals secrets of the early universe.
Star clusters were thought to be made up only of orbs around the same age … until now.
While it doesn't seem to get much light, the TRAPPIST-1 system basks in potentially planet-destroying X-ray emissions.