Computer simulations carried out by astronomers from the University of Groningen in collaboration with researchers from ...

The supermassive black hole named Sagittarius A* lies in the middle of the Milky Way. Observations of S2 and other stars also helped astronomers calculate the extraordinary size and mass of ...

Chinese astronomers have revealed new findings about the size of the Milky Way galaxy, suggesting it’s significantly larger than previously thought. Their research, published in the prestigious ...

A hundred years ago, astronomer Edwin Hubble dramatically expanded the size of the known universe. At a meeting of the American Astronomical Society in January 1925, a paper read by one of his ...

The spiral galaxy 2MASX J23453268−0449256 is located nearly 1 billion light-years away from Earth, and measures about three times the size of the Milky Way. Like our own galaxy, a supermassive black ...

In a discovery that could reshape our understanding of how galaxies form and evolve, astronomers have identified the most distant spiral galaxy candidate ever observed—a vast, mature system that ...

The Milky Way is our home galaxy with a disc of stars that spans more than 100,000 light-years. While the Milky Way is generally always visible from Earth, certain times of year are better for ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Astronomers have ...