In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small and in the Milky Way, while Curtis took a more radical position that they ...

Astronomers have found a massive radio jet, stretching across at least 200,000 light-years in the distant universe. The ...

New research from the SAGA Survey, comparing the Milky Way with 101 similar galaxies, unveils how our galaxy differs ...

In 2011, a project that surveyed the Milky Way galaxy for exoplanets — which are planets beyond our solar system — spotted an ...

In the heart of our Milky Way galaxy, two gigantic "bubbles" extend roughly 50,000 light-years above and below the galactic ...

In the 1920s, astronomers thought that the Milky Way was the entire universe. Hubble's discovery revealed a much bigger ...

when researchers precisely measured the motions of many stars within the Andromeda Galaxy and found that these stars were approaching the Milky Way. Presently, the two galaxies are moving toward ...

The Bullseye galaxy is two and a half times the size of our Milky Way and has nine rings ... It’s easy to see how it got its nickname thanks to its star-studded rings. Astronomers have now ...

The historic Mount Majdah, located south of the Tabuk province in Saudi, offers pristine, clear views of the Milky Way Galaxy ... you can see the Little Bear constellation all year long?

NEW YORK (AP) — A neutrino detector submerged in the Mediterranean Sea has sniffed out the most energetic ghost particle yet, ...