A new composite image of the Andromeda Galaxy is offering an unprecedented view of our closest spiral galactic neighbor.

Planetariums were a hit with the public. Within decades, they had spread around the world – the first planetarium in the ...

A previously unexplored globular cluster glitters with multicolored stars in this NASA Hubble Space Telescope image. Globular ...

By studying what makes the Milky Way unique, astronomers are hoping to understand our galaxy’s past and unravel the mystery ...