Astronomers said Thursday they had found a planetary system with three super-Earths orbiting a bright, dwarf star -- one of them likely a volcanic world of molten rock.
For the first time, astronomers have detected an aurora erupting beyond the solar system, giving us a profound glimpse at the magnetism surrounding a brown dwarf, or 'failed star.'
You don't get to meet your double every day, but Jupiter and the sun share the same galaxy as their very own doppelgangers.
The stellar runts of the galaxy probably aren't so great for nurturing Earth-like worlds, say scientists running new simulations of the formation of planets around a variety of stars.
By tracking the phases of six exoplanets, astronomers have tracked their daily weather cycles for the first time.
Astronomers have discovered two new alien worlds a bit larger than Earth circling a nearby star.
Astronomers have detected an exoplanet's visible-light spectrum directly for the first time ever, a milestone that could help bring many other alien worlds into clearer focus down the road.
The iconic Hubble Space Telescope turns 25 this month, and getting the ball rolling on a life-hunting successor instrument would be a fitting birthday present, one prominent researcher argues.
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