NASA recently released images of the Andromeda galaxy, an "enticing empire of stars" that can be seen with the naked eye if ...

Hubble had already used this knowledge in his 1924 discovery that the Andromeda nebula, containing a variable star, was more than 900,000 light years from Earth -- way beyond our own galaxy -- a ...

The footage, captured by the Hubble telescope, highlights the Tarantula Nebula. This fascinating region lies in the Large Magellanic Cloud, a satellite galaxy of the Milky Way. A Star-Forming ...

The early 20th century left astronomers grappling with the mystery of spiral nebulae. Were they part of the Milky Way or entire galaxies on their own? Edwin Hubble set out to answer this cosmic ...