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 supercluster is usually composed of hundreds or even thousands of clusters of galaxies, and these clusters are ...

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

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

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

University of Arizona astronomers have learned more about a surprisingly mature galaxy that existed when the universe was ...

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

JWST images reveal galaxy rotation patterns that challenge the Big Bang model. Could the universe be spinning?

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

At Redshift Wrangler, anyone with a smartphone or laptop can help clock the expansion of the universe using light from distant galaxies.Sadie ...

These really red, high-redshift sources basically stop existing at a certain ... It has been detected in the heart of the ...