There may not be as nearly as many small galaxies in the early universe as astronomers predict there should be, which has big ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: NASA, ESA, CSA, STScI, J. Diego (Instituto de Física de Cantabria, Spain), J. D’Silva (U.

Galaxies are clouds of stars that range in both size and composition. Some contain hundreds of millions of stars while the largest galaxies can contain trillions of stars. And while it’s not entirely ...

Bringing us one step closer to solving the 'missing satellites problem,' researchers have discovered two new satellite galaxies. For years, astronomers have worried about how to explain why the Milky ...

Galaxy clusters are formed by a dense packing of many galaxies, making them the most massive structures in the universe.

When you buy through links on our articles, Future and its syndication partners may earn a commission. The Milky Way is just a speck in a universe filled with an untold number of galaxies. But if we ...