New supercomputer simulations suggest the Milky Way could be surrounded by dozens more faint, undetected satellite ...

The JWST discovers the Zhúlóng spiral galaxy, as massive as the Milky Way, formed only a billion years after the Big Bang.

Comet 31/ATLAS is only the third interstellar object to ever be observed whizzing through the Solar System. While its origins ...

Researchers have found clouds of cold gas embedded deep within larger, superheated gas clouds—or Fermi bubbles—at the Milky ...

Hubble’s crystal-clear look at NGC 1786—an ancient globular cluster tucked inside the Large Magellanic Cloud—pulls us 160,000 ...

The Atacama Large Millimeter/submillimeter Array (ALMA) has been used to discover REBELS-25, a Milky Way-like galaxy from the ...

The James Webb Space Telescope's Near-Infrared Camera (NIRCam) reveals a stunning view of star-forming region Sagittarius C ...

A decade of observations by NASA’s Hubble Space Telescope has produced the sharpest and most detailed images of the Andromeda galaxy. Zoom in and explore.

NGC 1786’s mixed-age stars suggest globular clusters aren’t one-generation wonders, offering fresh clues to galaxy formation far beyond the Milky Way.

This NASA Hubble Space Telescope image features a dense and dazzling array of blazing stars that form globular cluster ESO ...

Astronomers have been aware of cosmic vampires, dead stars that hungrily strip plasma from victim stars, for some time. New ...

A newly discovered interstellar comet could be older than the Solar System, and scientists think it carries secrets from the ...