Galaxies come in three flavors. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Paul M. Sutter is an astrophysicist at SUNY Stony Brook and ...

When it comes to telescopes, there are no bigger names than Hubble and Webb, but why have two space telescopes anyway, how ...

Until recently, it was uncertain whether every type of galaxy has the same IMF, or if elliptical galaxies and spiral galaxies might have different values. Enter the ATLAS 3D project.

The two different classes of jet-spewing active galaxies called blazars may, in fact, be a single hybrid type that evolves over time, according to new research. The luminous cores of most if not ...

In a word: size. Dwarf spheroidal galaxies are much bigger than globular clusters. The Pegasus dwarf spheroidal galaxy, which orbits the famous spiral galaxy M31 in Andromeda, spans 2,000 light ...

Astronomers have used observations from Hubble’s CANDELS survey to explore the sizes, shapes, and colors of distant galaxies over the last 80 percent of the universe’s history.

Astronomers have discovered a galaxy that has been "frozen in time" for billions of years. Like a celestial dinosaur fossil, ...