From magnification to light-gathering, here’s how to make the decision between buying a telescope or a monocular for ...

Giant ground-based reflector telescopes do much of astronomy's heavy lifting, although the U.S.'s largest in Hawaii is not ...

(Each resembled a lentil, or lens in Latin ... Standing on shoulders Both types of telescopes—Galileo's refractor and Newton's reflector—underwent improvements in the coming centuries.

The Berlin Public Library has announced that it has received a library telescope, thanks to the New Hampshire Astronomical Society’s Library Telescope Program.