Scientists discovered a distant jellyfish galaxy with star-forming "tails" stretching back 8.5 billion years.

Study led by University of Bonn finds galaxy clusters contain about twice as much normal matter as previously estimated, based on recalculated stellar populations and survey data.

When you gaze up at the night sky, you’re looking back in time. Light from the stars takes years, sometimes millennia, to ...

Using data from the Hubble Space Telescope, ESA’s Euclid space observatory, and Hawaii’s Subaru Telescope, the researchers discovered faint light emitting around the clusters. That light was clear ...

An international collaboration using the Low Frequency Array (LOFAR) has published an exceptionally detailed radio sky map, ...

A team of astronomers has identified an extremely faint galaxy called CDG-2, located roughly 300 million light-years from Earth, where an estimated 99% of its total mass is made of invisible dark ...

bservations by NASA's James Webb Space Telescope and Chandra X-ray Observatory are providing fresh evidence that the universe grew up a lot more quickly than previously known, with observations of a ...

A rare jellyfish galaxy discovered by JWST is offering clues about how galaxies died in the early universe.

For decades, astronomers knew something was wrong — about 40% of the universe’s visible matter was missing. Galaxies, ...

This enormous chain of hundreds of galaxies—a cosmic filament—is twisting through space 400 million light-years away ...