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 ...

In space, the gravitational pull of massive objects is irresistible to smaller ones. Moons are locked in orbit around planets. Planets, asteroids and comets orbit more massive stars, and stars collect ...

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 ...

Galaxies come in many different shapes and sizes, including those considerably smaller than our Milky Way. These smaller galaxies, called dwarf galaxies, can have as few as 1,000 stars, compared to ...

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 ...