In a dense galaxy cluster, NGC 4858 shows how cosmic winds strip gas, spark new stars, and shape stunning jellyfish-like ...

This serene spiral galaxy hides a cataclysmic past. The galaxy IC 758, shown in this NASA/ESA Hubble Space Telescope image, ...

A new landmark study has pinpointed the location of the universe's "missing" matter, and detected the most distant fast radio ...

Binary neutron star mergers, cosmic collisions between two very dense stellar remnants made up predominantly of neutrons, ...

A vast, glowing halo enveloping a galaxy cluster has been discovered, defying expectations and pointing to turbulent cosmic ...

The James Webb Space Telescope reveals new details about Pluto's climate. Data confirms that Pluto's haze regulates its ...