The Hubble Space Telescope has turned its sharp eye toward a ghostly swirl of stars and gas known as the "Lost Galaxy," given ...

The X‑arithmetic technique offers a powerful new way to map the physics of other galactic structures across the universe and ...

Cosmic dawn galaxies seen by JWST reveal hidden clues about dark matter and keep rival theories about its true nature alive.

If not in visible stars and galaxies, the most likely hiding place for the matter is in the dark space between galaxies.

Why do some galaxies spin like giant tops, while others appear stationary? This question has puzzled astronomers for decades, ...

MUSE survey, an international team of astronomers has inspected a nuclear star cluster of the nearby large spiral galaxy ...

Astronomers combined images from the James Webb Space Telescope and Hubble Space Telescope to create the highest-resolution image of two galaxies, IC 2163 on left and NGC 2207, on the verge of merging ...

The standard model for how galaxies formed in the early universe predicted that the James Webb Space Telescope (JWST) would see dim signals from small, primitive galaxies. But data are not confirming ...

From your place inside the Milky Way, you are living within a galaxy that keeps a detailed chemical diary. Every star holds ...

Astronomers recently discovered a never-before-seen celestial phenomenon hiding in our own cosmic backyard. The mystery object, located just a short 15,000 light-years from Earth in our Milky Way ...

The Andromeda galaxy helped Edwin Hubble settle a great debate in astronomy. Stocktrek Images via Getty Images A hundred years ago, astronomer Edwin Hubble dramatically expanded the size of the known ...

A new NASA-led study found that the increasing number of satellites in low-Earth orbit could ruin up to 96% of images from ...