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

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 ...

"This study changes how we see the Pleiades — not just seven bright stars, but thousands of long-lost siblings scattered across the whole sky." Astronomers have discovered that the Seven Sisters of ...

The shimmering Pleiades star cluster has just shed its millennia-old reputation as a collection of Seven Sisters. Thanks to new data gleaned from the TESS and Gaia star-tracking spacecrafts, ...

Astronomers at the University of North Carolina at Chapel Hill have discovered that the famous Pleiades star cluster, the "Seven Sisters" often spotted on winter nights, is just the bright tip of a ...

A new study reveals that the Pleiades is the core of a once-much-larger cluster, many of whose members have scattered to the ...

Astronomers have recently made a groundbreaking revelation about the Pleiades star cluster, also known as the Seven Sisters. This iconic celestial feature, visible from Earth, is now understood to be ...

Astronomers identified more than 3,000 stars associated with the cluster, and there might be even more. By Katrina Miller Look to the east after sunset on a clear winter night and you’ll spot a bright ...

A team of scientists based on data from NASA's TESS space telescopes and the European Gaia Observatory has determined that the famous Pleiades star cluster is not a compact cluster, as previously ...

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 ...