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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 ...

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

New supercomputer simulations suggest the Milky Way could be surrounded by dozens more faint, undetected satellite galaxies—up to 100 more than we currently know. These elusive "orphan" galaxies have ...

The vastness of space allows for a huge variety of structures to pop up all over the place. Even things we think of as one-and-done objects—like galaxies—come in quite a few shapes and sizes. Follow ...

Astronomical observations show that the most massive galaxies in the early universe formed approximately three to four billion years after the Big Bang and stopped producing stars very early in cosmic ...

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 ...

Galaxies like our Milky Way are mysteriously hard to come by in our cosmic backyard. New supercomputer simulations have helped astronomers finally answer why. The Milky Way sits within a galaxy ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Heavy elements like oxygen are forged in the nuclear fires of stars. As the newfound oxygen existed when the universe was just 2% ...