In the Ophiuchus galaxy cluster, astronomers spotted the largest explosion in the universe consisting of energy equal to a ...

Using the Hubble Space Telescope (HST), astronomers from the University of California Santa Cruz (UCSC) and elsewhere have ...

Astronomers studying FCC 224, an ultra-diffuse galaxy, have discovered luminous, overmassive globular clusters, providing key ...

NASA's James Webb Space Telescope has captured a unique image that revealed 44 individual stars in a galaxy 6.5 billion light-years away from the Milky Way.

The James Webb Space Telescope (JWST) continues to transform our understanding of the universe. By combining its advanced ...

Unprecedented discovery of fast radio bursts challenges existing theories. Astronomers detect repeated signals from an ...

Using NASA's Chandra and ESA's XMM-Newton spacecraft, an international team of astronomers have performed X-ray observations ...

Using NASA's Chandra and ESA's XMM-Newton spacecraft, an international team of astronomers have performed X-ray observations of a nearby low-mass galaxy cluster designated PSZ2 G181.06+48.47.

Giant radio galaxies (GRGs) are massive, with plasma jets powered by supermassive black holes at their centers, stretching ...

Astronomers have discovered a giant radio galaxy with plasma jets stretching an incredible 3.3 million light-years—32 times ...

In February 2024, scientists on Earth detected a powerful radio blast from outer space. Seeking to discover where it had come ...

The galaxy cluster Abell 370, containing the star-filled Dragon Arc, as seen by the Hubble Space Telescope. Image: NASA The Webb Space Telescope captured a record-breaking image of stars in the ...