The swirling spiral galaxy in this NASA/ESA Hubble Space Telescope image is NGC 3285B, which resides 137 million light-years ...

In the sprawling Hydra constellation, 137 million light-years away, lies NGC 3285B—a dazzling spiral galaxy recently ...

Discover why the universe has no centre or edge. Learn how the Big Bang happened everywhere at once and why every observer ...

One amateur astronomer is on a quest to identify every object in the catalog of Lynds’ dark nebulae. Tag along for the ...

Recent studies indicate that the universe may be decaying or expanding more rapidly than expected, raising questions about ...

Test your knowledge of U.S. astronomers and their groundbreaking discoveries. Challenge yourself with this fun US astronomers ...

The Andromeda galaxy is the galaxy next door, a very faint, fuzzy thing in the night sky, larger than a full moon. Textbooks ...

A decade of observations by NASA’s Hubble Space Telescope has produced the sharpest and most detailed images of the Andromeda galaxy. Zoom in and explore.

For the first time, scientists have caught a glimpse of the earliest moments of planet formation around a star beyond our Sun ...

A cosmic void could be distorting how we see the universe expand. Sound from the Big Bang may hold the clues. According to ...

For the photographers honored at the 2025 Astronomy Photographer of the Year awards, the universe is their muse. From our fiery sun to dazzling aurorae, and a sparkling Milky Way to captivating ...