A newly confirmed dwarf galaxy orbiting Andromeda contains so few stars that automated detection pipelines ignored it entirely — and that invisibility may be precisely what makes it scientifically ...

More recent work, however, casts doubt on the certainty that the two galaxies will clash, eventually forming a single, ...

The space agency curated 13 images, ranging from 1990 to 2025, taken by the Hubble Space Telescope on the Fourth of July.

The images shed light on the galaxy’s past and star clusters that other telescopes couldn’t in what the astronomers are ...

Researchers working with data from the South Pole Telescope have released a major catalog of galaxy clusters, giving ...

The James Webb Space Telescope's mid-infrared instrument shows the Centaurus A galaxy's weird glowing shapes at its core.

Scientists imaged the heart of the OJ 287 galaxy, uncovering a curved plasma jet around what appears to be two merging supermassive black holes. The structure reveals unimaginable energy levels and ...

NASA has released the most detailed images of the Centaurus A galaxy we've ever seen, captured by the James Webb telescope.

Scale in the universe is hard to understand from a purely human perspective. Many times, the math just doesn't sit well with ...

Scientists have identified new clues that could help astronomers spot one of the most famous hypothetical alien ...