The word itself comes from galaktikós kyklos, or “milky circle,” the ancient Greek term for the Milky Way, our home galaxy.

From meteor showers to constellations, here's everything you need to know about observing the summer sky using the unaided ...

Astronomers have discovered a mysterious object in space that may be the smallest galaxy in the Universe, or the oldest star cluster in the Milky Way.

Often bucking tradition, these women sought knowledge of the universe and reimagined the way we view the cosmos.