ESA's Gaia mission ends its tenure—creating the most comprehensive and precise 3D map of Milky Way Galaxy In March 2025, the ...

The Milky Way contains between 100 billion and 400 billion stars, but the exact number is difficult to determine due to the galaxy's vast size and the presence of dust that obscures our view.

A new simulation suggests that the Milky Way is far larger than it should be based on the size of the "cosmological wall." ...

One large Milky Way galaxy or many galaxies? 100 years ago, a young Edwin Hubble settled astronomy’s "Great Debate" ...

Located a billion light years from Earth, IC 1101 is the largest known galaxy with a diameter of 6 million light years or at least 60 times the size of the Milky Way.

The Milky Way, our warped spiral galaxy, spans 120,000 light-years and hosts over 200 billion stars, including our Sun. It's ...

NASA's Hubble Space Telescope has captured a stunning new image of, NGC 474, an elliptical galaxy that's 2.5 times larger than our Milky Way.

NASA's Hubble Space Telescope has captured a stunning new image of a galaxy that's over twice the size of our Milky Way. According to NASA, the gigantic elliptical galaxy (dubbed NGC 474) sits ...

CINCINNATI (WKRC) - Scientists reportedly spotted a comet the size of Manhattan flying through the Milky Way galaxy, marking the third time an object from outside the galaxy has been spotted in ...

The galaxy's stars keep a record of its history. By reading those stories, astronomers are learning more about how the Milky Way came to be—and about the galaxy we live in today.

Calvera lies around 6,500 light-years above the Milky Way’s plane. This region holds very few stars of massive size. Stars ...