Webb’s new images of the Bullet Cluster reveal the most detailed dark matter map yet, shedding light on cosmic collisions and ...

Astronomers have used the Atacama Large Millimeter/submillimeter Array (ALMA) to peer into the early universe and uncover the building blocks of galaxies during their formative years. The CRISTAL ...

Despite decades of searching, scientists still haven’t found the elusive substance that holds galaxies together: dark matter.

Despite decades of research, scientists have yet to detect dark matter — the invisible substance that holds galaxies together and makes up 27% of the universe.

Early Spiral Galaxy Captured for the First Time Using Gravitational Lenses . For the first time ever, scientists have ...

Everything in space—from Earth and the sun to black holes—accounts for just 15% of all matter in the universe. The rest of ...

The Vera C. Rubin Observatory, which houses a telescope with the largest digital camera ever built, has revealed its first images.

The Components of a Galaxy Cluster NGC 4858 is a barred spiral galaxy located within the Coma cluster, a galaxy cluster that is part of the constellation Coma Berenices in the northern sky. Galaxy ...

NASA and the European Space Agency (ESA) have shared an image of two galaxies, MCG+05-31-045, interacting within the Coma Cluster. Located 390 million light-years away, the pair is in the midst of ...

The Chandra X-ray Observatory view of galaxy group NGC 4839 has revealed that it is "plunging into the Coma galaxy cluster and leaving behind an extraordinary tail of superheated gas," according ...

The Coma Cluster of more than 1,000 galaxies is resplendent in this new image from the powerful Dark Energy Camera (DECam) situated in the four-meter Victor M. Blanco Telescope at the Cerro Tololo ...