Astronomers have identified a fourth exoplanet, Kepler-51e, in the Kepler-51 star system using the James Webb Space Telescope ...

There might be a type of exoplanet without dry land. They're called "Hycean" worlds, a portmanteau of "hydrogen" and "ocean." ...

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A massive white dwarf and a sun-like "blue lurker" star tell a remarkable story of what was once a triple-star system in the ...

Previous observations led by astronomer Emily Leiner using NASA's retired Kepler space telescope had revealed ... triple star system in such detail. The findings would help stellar evolution ...

Astronomers have found two planets around two separate stars that are succumbing to their stars' intense heat.

Discover the fascinating story of the 'blue lurker,' a mysterious star in the M67 star cluster studied by NASA's Hubble ...