By tracking the phases of six exoplanets, astronomers have tracked their daily weather cycles for the first time.
Observations by NASA's Spitzer Space Telescope have revealed wild atmospheric changes on a well studied exoplanet -- changes that could be driven by extreme volcanic activity.
It's Star Wars Day! So take a look back over some of our favorite Star Wars-related Discovery News space stories.
Astronomers have discovered two new alien worlds a bit larger than Earth circling a nearby star.
Hubble’s scientific bounty has benefited a wide range of astronomical and astrophysical fields, including the study of planets, moons and small icy bodies in the outer solar system and the cosmological history of the universe. Here’s a look at a few of Hubble’s greatest hits.
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.
Jupiter's early migration through the inner solar system caused gravitational mayhem, but it ultimately settled to allow Earth to form in a relatively quiet neighborhood.
A study based on 151 multi-planetary systems found by NASA's Kepler space telescope shows that most have a planet -- or two or three.
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