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

A hundred years ago, astronomer Edwin Hubble dramatically expanded the size of the known universe. At a meeting of the ...

Rare ultra-faint dwarf galaxies beyond the influence of other galaxies show evidence that star formation was stifled long ago ...

In the heart of our Milky Way galaxy, two gigantic "bubbles" extend roughly 50,000 light-years above and below the galactic ...

A new computational method gleans more information than its predecessors from maps showing how galaxies are clustered and threaded throughout the universe.

Now, four new studies are providing answers about where the fast radio bursts originate, which could shed light on what ...

Galaxies come in a very wide range of sizes ... about 2.5 million light years – by not realizing there were two different types of Cepheid variables. His measurements marked the end of the ...

Just over two years ago, observations from JWST had astronomers puzzled. Some galaxies were spotted that ... Using observations of LRDs from many different publicly available surveys from JWST ...

Fast radio bursts (FRBs) are brief emissions of radio waves, lasting a fraction of a second but with as much energy as the ...

The new composite image, which combines hundreds of photos from the Hubble Space Telescope, shows the Andromeda Galaxy with ...