Caldwell 71, or NGC 2477, is an open star cluster. Open clusters are loosely bound collections of stars. It is located roughly 4,000 light-years from Earth in the constellation Puppis.

NASA has captured some of the most breathtaking star clusters in the universe, where countless stars shimmer like cosmic ...

Hubble Space Telescope Captures a Fascinating Cosmic Occurrence 'Blue Lurker' Star System 2,800 Light-Years From Earth In a ...

The term "blue" is a bit of a misnomer because the star's color blends in with all the other solar-mass stars in the cluster. Hence it is sort of "lurking" among the common stellar population.

A rare breed of star recently discovered by the Hubble Space Telescope spins faster by feeding on its stellar siblings.

NGC 2264 is a cluster of young stars that has been ... NGC 2264 is roughly between the bright reddish star Betelgeuse in Orion and blue Procyon in Canis Minor in an otherwise empty patch of ...

A chunk of that knowledge came to light when Hubble observations of the blue lurker revealed it ... that it could not have formed like any normal star in this cluster," Leiner said.

Hubble beholds brilliant blue star cluster: NGC 2031 contains a sizable population of Cepheid variable stars (at least 14), which are stars that brighten and dim periodically. The stellar grouping ...

The researchers used NASA's James Webb Space Telescope (JWST) to observe Westerlund 1, a so-called super star cluster with hundreds of very massive and potentially thousands of lower-mass young ...

The term "blue" is a bit of a misnomer because the star's color blends in with all the other solar-mass stars in the cluster. Hence it is sort of "lurking" among the common stellar population.

Although the blue lurker looks like a classic sunlike ... for a sprinkling of curiously speedy stars. "A typical star in the cluster is rotating around once every 25 days," Emily Leiner, an ...