Astronomers have revealed new evidence that not just one, but four tiny planets are circling around Barnard's Star, the ...

(Correction: An earlier version of this story misstated how far Pluto is from the sun ... adopted a resolution to reclassify Pluto as a dwarf planet. The reasoning was that it didn't satisfy ...

These six objects, which orbit far out beyond Neptune ... Among the half-dozen is the first known ETNO, the dwarf planet Sedna. The six curiosities that Brown and Batygin identified have elongated ...

For more information on the biggest astronomical events of 2025, check out our celestial calendar. Pluto was reclassified from a planet to a dwarf planet by the International Astronomical Union ...

Get Instant Summarized Text (Gist) White dwarf stars may host more habitable exoplanets than previously thought. A study using a 3D global climate model found that exoplanets orbiting white dwarfs ...

Astronomers used a 3D global computer model to compare the climates of exoplanets in different stellar and orbital configurations. They found that a planet orbiting a white dwarf star would offer ...