Alnitak, the leftmost star in Orion's belt, is a type O star, characterized by its extreme heat, blue color, and high luminosity (equivalent to 10,000 Suns). Alnitak's high mass (28 times that of the ...

This NASA/ESA Hubble Space Telescope image features the spiral galaxy NGC 4535, which is situated about 50 million ...

Just as people of the same age can vary greatly in appearance and shape, so do collections of stars or stellar aggregates. New observations from the NASA/ESA Hubble Space Telescope suggest that ...

A trio of massive, young star clusters found embedded in a star cloud may shed light on the formation of super-star clusters and globular clusters. The discovery, made with images taken with the ...

These young, hot blue stars are members of the Pleiades open star cluster and resides about 430 light-years away in the northern ...

Mary Roeloffs is a Forbes breaking news reporter covering pop culture. Researchers with NASA have found a cosmic version of the Christmas decorations inside millions of homes this season, sharing a ...

The Pleiades star cluster is slowly tearing a cloud of dust into cosmic tatters, and this new image from the Utah Desert Remote Observatory captured the beautiful destruction in action. For roughly ...