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

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.

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

The universe is not just large - it is structured in layers that grow exponentially in size. Solar systems form galaxies, ...

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

New measurements using gravitational lensing suggest the universe’s current expansion rate does not agree with signals from ...

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 ...

It’s always amazing, and more than a little humbling, when the universe reminds us that our “common sense” is provincial, ...

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