Astronomers from the University of Arizona have uncovered astonishing details about a galaxy that existed when the universe ...

The new galaxy is of the grand-design subtype and was identified at a redshift of 4.03. "In this paper, we present the discovery, in the Abell 2744 cluster field, of a two-armed, grand-design ...

Answer: For near stars, astronomers use a method called parallax. During Earth’s orbit, near stars seem to shift their position against the farther stars. This is called parallax shift. By ...

A "classification" is when a volunteer or citizen scientist finishes marking up or sorting one image or other piece of data.

This infrared image from NASA’s James Webb Space Telescope was taken by the onboard Near-Infrared Camera for the JWST ...

By looking ever further back in time, the James Webb Space Telescope is at last revealing the first galaxies – and a very strange young cosmos ...

Astronomers at the University of Arizona have discovered more about a surprisingly mature galaxy that existed at a time when ...

In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small and in the Milky Way, while Curtis took a more radical position that they ...

Group Members: Jeyhan Kartaltepe, Christina Magagnoli, Ekta Shah, Brittany Vanderhoof Identifying Galaxy Mergers in Simulated Images in Preparation for the James Webb Space Telescope One way to ...

Astronomers have found an unexpectedly bright and chemically complex galaxy from the first 300 million years of the ...

But mapping the galaxy's structure is just one part of the story. Astronomers can also learn about the Milky Way's rotation by studying the redshift and blueshift of the 21 cm radiation.

More information: Jakob M. Helton et al, Photometric detection at 7.7 μm of a galaxy beyond redshift 14 with JWST/MIRI, Nature Astronomy (2025). DOI: 10.1038/s41550-025-02503-z ...