In the dense environment of the early universe, dark matter particles would collide with, and annihilate, each other, ...

If you look across space with a telescope, you'll see countless galaxies, most of which host large central black holes, ...

Most of the universe is made up of dark matter and dark energy. The majority of everything else is dispersed throughout space ...

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

Will the universe keep existing forever? An astrophysicist explains how scientists aren’t entirely sure, but they can make predictions.

This infrared view offers the clearest look yet at how dwarf galaxies merge, evolve, trade gas and ignite waves of new stars.

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

The filament of matter stretches 50 million light-years, and contains a row of galaxies 5.5 million light-years long that are ...

Stars powered by dark matter instead of nuclear fusion could solve several mysteries of the early universe, and we may have spotted the first hints that they are real ...

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