This week, NASA released the first image from the Europa Clipper spacecraft's voyage. The image is a mosaic of a star field, created from three shots the solar-powered orbiter captured in December of ...

Is it possible to understand the universe without understanding the largest structures that reside in it? In principle, not likely. In practical terms? Definitely not. Extremely large objects can ...

Galaxies in a quasar state can release powerful jets from their active supermassive black holes. The jets can extend far into ...

From decades of astronomical observations, scientists know that most galaxies contain massive black holes at their centers.

Scientists using the Hubble Space Telescope have spotted a record-smashing galaxy wrapped in 9 rings of stars — along with ...

Galaxies are among the most breathtaking structures in the universe, ranging from elegant spirals to massive elliptical ...

The rings are regions of higher density, where the galactic material has been pushed together by the rippling shocks. The ...

An interview with New York Times bestselling author Alexander Freed on this upcoming post-'Revenge of the Sith' tale.

Supermassive black holes are seen as sources of wanton cosmic destruction, but there may be more to their powerful influence ...

After a blue dwarf galaxy shot through it like an arrow, the large Bullseye now has nine rings—six more than any other galaxy ...