The Milky Way may not have a sharp edge, but scientists have now found where its star-forming activity largely comes to an ...

Nearly all stars are found inside or around galaxies, because that's where the conditions are right for stars to form. Within galaxies, stars form inside cold, dense molecular gas clouds like those ...

The study of galaxies and their star formation processes remains a cornerstone of modern astrophysics. Galaxies are the fundamental building blocks of the Universe, each hosting a complex interplay of ...

The properties of faint dwarf galaxies around the Milky Way can reveal a lot about the conditions of the early universe, the ...

By tracking individual stars and exploding supernovas, astronomers discovered the strength of early ultraviolet glow ...

The Sombrero galaxy and its glowing halo of stars have never looked this good. The U.S. National Science Foundation’s NOIRLab ...

From your place inside the Milky Way, you are living within a galaxy that keeps a detailed chemical diary. Every star holds clues about when it formed and what the galaxy was like at the time. Over ...

This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed & Insights. If you look across space with a telescope, you'll see ...

Two billion years after the cosmos banged into existence, a mysterious force known as dark energy began shoving space outward ...

New findings from a large survey of galaxies suggest that star formation is largely driven by the supply of raw materials, rather than by galactic mergers that trigger sudden bursts of star formation.

Throughout the many adventures of Star Trek, it's extremely rare that the Enterprise (or any other ship) leaves the Milky Way ...

Mysterious blasts of radio waves from across the universe called fast radio bursts help astronomers catalog matter. ESO/M. Kornmesser, CC BY-SA Chris Impey, University of Arizona If you look across ...