Dark matter is a mysterious substance that glues galaxies together. This map from the James Webb Space Telescope could help ...

Among the hundreds of billions of galaxies that stretch across the known universe, even the smallest members can reveal secrets about our cosmic history. But even as we discover new galaxies, ...

Some galaxies in the early universe were absolute powerhouses, churning out stars at rates that would dwarf the Milky Way's ...

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 ...

MeerKAT radio telescope discovers 49 hidden galaxies in less than three hours, revealing how much of the nearby universe ...

Scientists have created the highest resolution map of the dark matter that threads through the universe—showing its influence ...

The first images from a new telescope in Chile were released this week, featuring extraordinarily detailed scenes from deep space. And more are expected to follow the debut series from the ...

JWST observations show that early galaxies were chaotic, gas-filled systems rather than stable disks. Researchers from Cambridge studied over 250 galaxies and found most were turbulent, still forming ...

A new high-resolution map of distant galaxies may help scientists understand a mysterious invisible substance that helps hold the universe ...

An inexplicably hot, fast-growing cluster of galaxies in the early universe has scientists questioning theories of galactic evolution.