In the 1920s, astronomers thought that the Milky Way was the entire universe. Hubble's discovery revealed a much bigger ...

Galaxies are astronomical objects composed of billions or even trillions of stars. Our Earth and solar system are just a tiny ...

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

The subject of this NASA/ESA Hubble Space Telescope image is a supernova-hosting galaxy located about 600 million light-years ...

Travel 60 million light-years away into the constellation Virgo to catch a glimpse of interacting galaxies NGC 4568 and NGC ...

The James Webb Space Telescope's s MIRI and NIRCam instruments have captured an amazing view of spiral galaxy NGC 2090. The ...