The post Dazzling sky survey maps 5,259 galaxy clusters and sheds light on dark matter appeared first on Astronomy Magazine.

While globally the universe expands—driven by the mysterious "dark energy"—locally, galaxies cluster through gravitational ... all information in galaxy maps and applied it to simulated ...

Globular clusters (GCs ... across the field of the NGC 5018 galaxy group, which revealed the presence of an intra-group GC system. The 2D distribution map shows an overdensity of GC candidates ...

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 ...

Galaxy clusters contain up to thousands of galaxies ... constrain its integrated spectrum, and map the spectral index distribution," the researchers wrote in the paper. The new VLA observations ...

Giant radio galaxies are cosmic megastructures that can span millions of light-years, making them some of the largest-known ...

Astronomers discover Inkathazo, a massive giant radio galaxy spanning 3 million light-years, using South Africa's MeerKAT ...

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

Because of this, the scientists behind the study were able to get a look at 44 stars in the "Dragon Arc," a part of the Abell 370 galaxy cluster. The arc is about 6.5 billion light-years away from ...

It’s almost globular cluster season. One of the mysteries of our galaxy and every other, these dense groupings of up to a million stars—the most massive and oldest star clusters in the ...