Using the Hubble Space Telescope (HST), astronomers have observed a supermassive galactic open cluster designated Westerlund ...

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.

New James Webb Space Telescope observations of a star cluster called NGC 346 are shedding light on how, when and where planets formed in the early universe.

Set against a backdrop littered with tiny pinpricks of light glint a few, brighter stars, this is NGC 1858, a 10-million-year ...

The Priority Mail 'Spiral Galaxy' and Priority Mail Express 'Star Cluster' stamps are now available in panes of four at post offices nationwide.

The image shows the Arches star cluster, 25,000 light-years away, captured through infrared observations from Hubble and ground-based telescopes. This Hubble image shows NGC 6397, a star cluster 8,200 ...

Explore the breathtaking beauty of the cosmos with seven incredible images of star clusters and galaxies captured by NASA.

Skywatchers on Thursday evening, Feb. 6, will notice an eye-catching pairing-off between two of the brightest objects in the ...

Nasa is directing the James Webb Space Telescope to track asteroid 2024 YR4, whose collision risk with Earth has risen to 2.3 ...

According to NASA, "there are hundreds of them"—massive black holes roaming space. It is now emerging and reshaping the ...

The U.S. Postal Service has issued a new set of stamps celebrating the James Webb Space Telescope, the most powerful space ...