In the evening of December 7, the planet Jupiter will be in conjunction with the stars Pollux and Caster within the constellation Gemini. Later in the evening, the moon will join this constellation ...

Find out what's up in your night sky during December 2025 and how to see it in this Space.com stargazing guide.

Just about everybody knows the Pleiades star cluster, also called the Seven Sisters. They represent the daughters of the ancient Greek gods Atlas and Pleione. After Orion's Belt and the Big Dipper, it ...

On November 20, Callisto will begin a transit across the disk of Jupiter at 5:53 A.M. EST. Uranus will reach opposition on November 20 at 7 A.M. EST, presenting the optimal viewing period for the ice ...

Astronomers Uncover the Vast Greater Pleiades Complex with 3,000 Hidden Stars Researchers using Gaia and TESS have found that the Pleiades is part of a far larger 3,000-member stellar complex ...

A pair of stunning celestial sights are on tap for stargazers this week, as the astronomical events calendar marches into fall. This season is an especially cruel one for Pacific Northwest star gazers ...

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Astronomers have discovered that the iconic Pleiades constellation has thousands more “sibling” stars hidden across the sky, making it 20 times larger than currently estimated. Tracing the origins of ...

A new study redefines the Pleiades (M45) as a "Greater Pleiades Complex," an extensive stellar family comprising 3,091 member stars and spanning over 1,900 light-years, making it 20 times larger than ...