The space between galaxies is not empty. In a new map of the early universe, those “blank” stretches take on a faint, ...

Astronomers have created the largest and most detailed 3D map yet of a glowing signal from the early universe, revealing hidden galaxies and gas from 9-11 billion years ago. By analyzing faint ...

New 3D map of the early universe from HETDEX reveals faint hydrogen light linking galaxies 9 to 11 billion years ago.

Astronomers have unveiled one of the most ambitious maps yet of the early universe, revealing a vast "sea of light" between ...

Construction has begun on a new telescope designed to map one of the universe’s ...

Image captured by the James Webb Space Telescope, showing two dwarf galaxies (NGC 4490 and NGC 4485, depicted as glowing hues) connected by a wispy bridge of gas (seen as a red stream). There are ...

A developing galaxy cluster dating to about 1 billion years after the Big Bang is shown in this handout image released on January 28, 2026. The white box marks the field of view of the Chandra X-ray ...

Scientists have released a new study that catalogues the universe by mapping huge clusters of galaxies. These clusters are some of the largest known objects in the universe — and they can help ...

The Vera C. Rubin Observatory has started releasing its first discoveries: including supernovae, variable stars and asteroids ...

Two new studies have measured the expansion of the universe in our immediate cosmic neighborhood using a novel method that ...

For all the impressive maps astronomers have made of the distant universe, much of the action has stayed out of sight. The brightest galaxies were relatively easy to chart. The faint hydrogen glow ...