Later this year, a prototype telescope is slated to land on the moon. It could usher in a new era of lunar radio astronomy.

A person kneels on a platform reaching down toward a large, circular container full of glass pieces. To build the Giant Magellan Telescope, engineers constructed seven massive mirrors, the largest ...

Optical telescopes have come a long way in the past two-and-a-half centuries — from homemade telescope of William Herschel to ...