In a glimpse of the early universe, astronomers have observed a galaxy as it appeared just 800 million years after the Big ...

Cosmic dawn galaxies seen by JWST reveal hidden clues about dark matter and keep rival theories about its true nature alive.

If not in visible stars and galaxies, the most likely hiding place for the matter is in the dark space between galaxies.

Galaxy clusters are the most massive objects in the universe held together by gravity, containing up to several thousand ...

A surprisingly mature spiral galaxy named Alaknanda has been spotted just 1.5 billion years after the Big Bang—far earlier ...

Researchers have found a razor-thin, rotating string of galaxies inside a massive cosmic filament, revealing unexpected ...

A newly-detected spinning galaxy filament is reshaping our understanding of cosmic structure, gas flows, and the origins of ...

The first generation of stars that were born in the universe are a mystery. We can estimate when they existed and even how ...

Scientists have observed the largest-known rotating structure in the cosmos - a gargantuan thread-like assemblage of hundreds ...

The galaxy's discovery challenges our understanding of how galaxies were formed in the early period after the Big Bang.

Astronomers from several nations found fourteen hydrogen-rich galaxies placed along a narrow stretch over 5.5 million ...

Space is packed with all sorts of weird and unexpected stuff, but this humongous, spinning string-thing raises a whole new ...