You still may be able to spot the Milky Way's galactic center in the night sky across the US, but time is running out.

In the vast universe, a grand event spanning billions of years is quietly brewing — the Milky Way and the Andromeda Galaxy ...

In the vast universe, a grand event spanning billions of years is quietly brewing—the Milky Way and Andromeda galaxies will ...

The Milky Way won’t last forever. Astronomers say it’s on a collision course with the Andromeda Galaxy, a slow-motion crash that will erase our galaxy’s identity. The universe already knows how it ...

Two colliding galaxies have been found to be reorganizing their dwarf satellites, potentially solving a major conundrum plaguing the standard model of cosmology.

The Hubble Space Telescope has recently captured extraordinary images of a rapidly collapsing star system in the Andromeda Galaxy. This discovery offers a unique glimpse into stellar evolution and the ...

The Milky Way, our warped spiral galaxy, spans 120,000 light-years and hosts over 200 billion stars, including our Sun. It's embedded in a dark matter ...

See the winners of the largest astronomy photo competition, selected from more than 5,800 entries sent in from more than 60 ...

When we look up at the night sky, most of us see stars, most of which are relatively close: less than 5,000 light-years from ...

In 1925, Edwin Hubble's observation of Cepheid variables in the Andromeda galaxy revolutionized astronomy, proving the ...

A successful builder by day and traversing the sky by night, Isaac Roberts took the first clear photograph of Andromeda, the ...

Travel the universe from your seat with our picks from the annual ZWO Astronomy Photographer of the Year competition.