A large protocluster of galaxies that existed 12.6 billion years ago, first discovered with the Subaru Telescope, has been ...

Our galaxy and its nearest large companion, Andromeda, may be headed for a collision on a cosmic scale. What happens then?

WASHINGTON (Reuters) - Since becoming operational last year, the James Webb Space Telescope has made groundbreaking observations involving some of the universe's earliest galaxies. One might call them ...

A light-bending cluster of galaxies 9 billion light-years away is NASA’s Friday photographic gift to people who want to end the work week with deep thoughts. Or just see something amazing. The photo ...

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One of the most puzzling findings from the JWST's observations of the early universe is the size of black holes. According to ...

Not all discoveries turn out to be actual new discoveries. This was the case for the extremely red objects (EROs) found in James Webb Space Telescope (JWST) data. Analysis shows that they are very ...

The James Webb Space Telescope is the most powerful telescope ever put into space. As such, its helping usher in a new era of astrophysics. Astronomers can now study farther, earlier galaxies than ...

New work aimed to study the star-forming gas in a single radio galaxy. Although the team didn't find any star-forming gas in the galaxy they were studying, they instead discovered other galaxies while ...

Quasars stripped early galaxies of their gas, the basic raw material for making stars.