Does a Newtonian telescope really offer a noticeable resolution advantage? In this video, we test it out and compare results to see just how much of a difference it makes for deep-sky and planetary ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. In 1667, then a young Fellow at ...

When I recommend telescopes, I ask three questions,” says Katherine Troche, president of the Amateur Astronomers Association.

Maybe you have had a casual interest in astronomy for years, looking up at the night sky every chance you get. Or maybe you’ve just recently become interested in the wonders hanging high above our ...