The Andromeda Galaxy, located 2.5 million light years away, has fascinated observers for centuries. Once believed to be part of the Milky Way, everything changed in 1923 when Edwin Hubble identified ...

When looking up at the sky, you might think galaxies have always looked the way they do today. But a new study from Princeton ...

The light that the NASA/ESA Hubble Space Telescope collected to create this image reached the telescope after a journey of ...

Because it doesn't interreact with light or electromagnetism, dark matter exists to us only through its influence on visible ...

Astronomers have captured a stunning, detailed image of the nearby Sculptor galaxy, spanning an impressive 65,000 light years ...

LOFAR detects a faint radio 'mini-halo' from 3.8 billion years ago, revealing how galaxy clusters evolved in the early ...

Astronomers have uncovered a remarkable cosmic relic - a galaxy named KiDS J0842+0059, located three billion light-years from ...

Galaxies have an overall internal motion called disk velocity. It’s how gas, dust, and stars move around the galactic center.

Spiral galaxies can be further divided into two groups: normal spirals and barred spirals. In barred spirals, a bar of stars runs through the central bulge of the galaxy.

NASA/ESA's Hubble Space Telescope captures an image of the active galactic center in spiral galaxy UGC 11397, located in the ...

The camera, now bolted to the end of a giant telescope at the Rubin Observatory, is expected to shoot photos of 20 billion galaxies, to be stitched together in broad panoramas giving astronomers ...

Astronomers have observed unusually shaped galaxies in a transitory phase of galactic evolution, often colliding or ...