Messier 81, a grand design spiral galaxy 12 million light-years from Earth. Image: NASA/JPL-Caltech/S. Willner (Harvard-Smithsonian Center for Astrophysics) / Wikimedia Commons The Webb Space ...

Surrounded by glowing discs of swirling gas, quasars emit immense light that can be seen across vast cosmic distances.

"At first, I thought I completely messed up during our research," Olivia Achenbach of the United States Naval Academy told ...

Why it's so special: This image of a spiral galaxy taken by the Hubble Space Telescope is a portrait more than two decades in the making. Like most full-color images of space objects, it's a ...

The night sky has always played a crucial role in navigation, from early ocean crossings to modern GPS. Besides stars, the United States Navy uses quasars as beacons. Quasars are distant galaxies with ...

A newly released Hubble pic shows the galaxy LEDA 22057, where the supernova explosion occurred. The spiral galaxy's swirling ...

Yale researchers among those who discovered three “ultra-massive” galaxies, which were formed shortly after the Big Bang and ...

The interferometer team, led by Steve Ertel, associate astronomer of Steward Observatory, observed several phenomena ...

This "accretion disk" in turn generates a super-heated jet of charged particles ... but not with the whole galaxy. Spiral galaxies are perhaps the most famous kind of galaxy, but sometimes they ...

The magnificent Andromeda galaxy (Messier 31), stands out as the most important nearby stellar island to our Milky Way, and can be seen with the naked eye on a clear autumn night as “a faint ...