For years, the center of our galaxy has been painted as a place where stars go to meet their end — a region ruled by Sagittarius A*, a black hole so massive that its gravity can stretch, tear, and ...

A technique called interferometry can greatly magnify tiny objects on the sky, and is powerful enough to reveal the surfaces ...

A new study of M31, also known as Andromeda, explains how our cosmic neighbor kills off smaller nearby galaxies.

A University of Arizona-led team has used a camera orbiting Mars to capture the closest images yet of a rare interstellar ...

Astronomers know that mergers play a huge role in galaxy growth. Right now, the Milky Way is slowly consuming the Large and ...

All motion is relative. That simple fact makes tracking the motion of distant objects outside our galaxy particularly ...

LHAASO has uncovered that micro-quasars, black holes feeding on companion stars, are powerful PeV particle accelerators.

Frozen complex organic molecules have been discovered for the first time around a young protostar in a galaxy other than our own, thanks to the observing power of the James Webb Space Telescope (JWST) ...

A new low-frequency radio image captures the Milky Way in unprecedented detail across multiple wavelengths, revealing its structure from the Southern Hemisphere. This spectacular new image captures ...

The Andromeda galaxy, our closest spiral neighbor to the Milky Way, becomes prominently visible in the night sky during October 2025, making it an ideal month for stargazers to observe this stunning ...

The Milky Way galaxy is like a gigantic ocean gyre or eddy that spins and wobbles around its center. But our home galaxy also has a colossal wave rippling through it, pulling and pushing an ocean of ...

When the billions of stars comprising the Milky Way, our home galaxy, appear especially vibrant as the band arcs across the night sky, it’s a photo op. Milky Way season, when the galaxy's bright ...