A flat plane of dark matter beyond the Local Group may explain why nearby galaxies move away from us instead of falling ...

Astronomers have uncovered evidence that the Milky Way is not drifting through space alone but is embedded in a vast, flat structure of dark matter stretching tens of millions of light-years. The ...

Computer simulations carried out by astronomers from the University of Groningen in collaboration with researchers from ...

The latest data release from the Sloan Digital Sky Survey (SDSS) includes observations revealing the internal structure and composition of nearly 5,000 nearby galaxies observed during the first three ...

At approximately 100,000 light years in diameter, the Milky Way’s vastness and the broader, ever-changing dynamics of the cosmos defy any attempt to fully understand our home galaxy and its history.

New research shows weak black hole activity in red geyser galaxies prevents star formation despite ample gas, using observations of inflows, outflows, and galaxy interactions.

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. If the universe is 13.6 billion years old, how can ...

A new photograph shared by NASA offers a peek at the breathtaking views seen from the International Space Station (ISS). The image shows off Earth's colorful airglow as well as two nearby galaxies, ...

NGC 300 is a small galaxy in a relatively isolated region of the universe. About 6 million light-years from Earth, it is one of the Milky Way's closer neighbors. A team of astronomers led by ...

A group of galaxies in our cosmic backyard has given astronomers clues about how stars form. A thorough survey using the NASA/ESA Hubble Space Telescope has observed around 14 million stars in 69 ...