A boom in satellites is brightening the night sky and hindering astronomers’ ability to study distant galaxies, sharpening ...

In fact, these jets often expand into wide plumes or “lobes” that fan out far above and below their host galaxies. The jets ...

A surprisingly mature spiral galaxy from cosmic dawn is rewriting ideas about how fast the Universe built its first galaxies.

Scientists have observed the largest-known rotating structure in the cosmos - a gargantuan thread-like assemblage of hundreds ...

The galaxy's discovery challenges our understanding of how galaxies were formed in the early period after the Big Bang.

If you look across space with a telescope, you'll see countless galaxies, most of which host large central black holes, ...

NASA has visualized the cataclysm, which is thought to have caused a mysterious eruption of gamma rays captured by telescopes ...

Astronomers at the University of North Carolina at Chapel Hill have helped uncover new clues about the longest-lasting cosmic ...

Most of the universe cannot be seen with any telescope, and that is not because scientists lack powerful tools. It is because ...

If not in visible stars and galaxies, the most likely hiding place for the matter is in the dark space between galaxies.

Indian astronomers have identified a surprisingly mature, Milky Way-like galaxy from the universe’s early era. Named ...