ESA’s Euclid space mission reveals the first piece of its great map of the universe, showing millions of stars and galaxies.

Galaxies are not islands in the cosmos. While globally the universe expands—driven by the mysterious "dark energy"—locally, ...

A new effort to map the rumblings in spacetime caused by enormous black hole collisions paints a surprisingly loud and ...

Galaxies are the building blocks of the universe. Clusters of galaxies, and clusters of clusters of galaxies, called superclusters, make up the structures in the geography of the universe.

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Rubin Observatory is about to get outfitted with the world's largest digital camera, which will allow it to map the entire southern sky over a decade, including more than 20 billion galaxies.

Askap conducted its first all-sky survey this year, covering 83% of the sky and covering three million galaxies all up. The map was stitched together using just 903 highly detailed images.

This NASA/ESA Hubble Space Telescope image reveals a tiny patch of sky in the constellation Hydra. The stars and galaxies ...

The 2D distribution map shows an overdensity of GC candidates in NGC 5018, while no significant GC overdensities are observed in the other galaxies of the group. In general, the radial density ...

My collaborators and I have just tackled one of astrophysics’ enduring mysteries: how massive elliptical galaxies can form. Now, for the first time, we have solid observational evidence that ...