"Beyond the Milky Way lie billions of other galaxies, drifting a few million light years from one another like lily pads floating on the surface of a pond." — Timothy Ferris in Seeing in the Dark A ...

This is the largest photomosaic yet assembled from Hubble Space Telescope observations. It is a panoramic view of the Andromeda galaxy, located 2.5 million light years away from Earth. This mosaic ...

Michael Bakich selected visually stunning celestial objects observed through telescopes, including Omega Centauri, the 2010 total solar eclipse over Easter Island, Thor's Helmet nebula, and the Jewel ...

Stephen has degrees in science (Physics major) and arts (English Literature and the History and Philosophy of Science), as well as a Graduate Diploma in Science Communication. Stephen has degrees in ...

The Andromeda galaxy helped Edwin Hubble settle a great debate in astronomy. Stocktrek Images via Getty Images A hundred years ago, astronomer Edwin Hubble dramatically expanded the size of the known ...

The article details various types of deep-sky objects observable by amateur astronomers, including double stars, variable stars, open and globular star clusters, emission, planetary, and reflection ...

On New Year’s Day, 1925, attendees at an astronomical conference heard one of the most influential scientific presentations of all time. It proved the Andromeda Nebula is immensely distant from Earth, ...

Although our telescopes have captured some truly stunning images of the Milky Way, astronomers have only a vague understanding of our home galaxy. It took a lot of work even to get that sketch, and it ...

Astronomy can be a difficult topic for newcomers. Like any scientific field, it has its own jargon and buzzwords—and terms with meanings that can be not only odd but downright counterintuitive. The ...