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.

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 ...

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 ...

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 ...

Blue Sky Science is a collaboration of the Wisconsin State Journal and the Morgridge Institute for Research. A black hole discovered 1,000 light-years from Earth is itself invisible, but it has two ...

For years, astronomers have worried about how to explain why the Milky Way has fewer satellite galaxies than the standard dark matter model predicts. This is called the “missing satellites problem.” ...

Astronomers believe there are about 100 billion stars in the Milky Way. But, this number of stars depends on various factors. To figure out how many stars are in the Milky Way, astronomers have to ...