Very massive stars are cosmic "rock stars" that live fast, die young and leave black holes in their place. During this ...

Astronomers are excited about the first test images released today from the Vera C. Rubin Observatory, which show the ...

His goal was ambitious: to reveal not only Andromeda’s famous spiral structure but also the delicate veil of glowing hydrogen gas surrounding it, and perhaps even the elusive OIII arc.

Putting Isaac Roberts’ astonishing 1888 photographs of the Great Nebula in Andromeda and other spiral nebulae to cosmic effect at his argument’s outset, Pettigrew then immersed the reader in a ...

NGC 4535, or the "Lost Galaxy," is a barred spiral galaxy approximately 50 million light-years distant in the Virgo constellation. It is part of the immense Virgo Cluster, which harbors nearly ...

Hubble worked hard, taking images of spiral nebulae every clear night and looking for the telltale variations of Cepheid variables. By the end of 1924, he had found 12 Cepheids in M31.

A third category – nebulae with spiral structure – particularly intrigued astronomers. The Andromeda nebula, M31, was a prominent example. It’s visible to the naked eye from a dark site.

M83 Galaxy The Southern Pinwheel Galaxy (M83), 15 million light-years away, showcases symmetrical spiral arms with vibrant stars and nebulae.