CHINA — Chinese state media is reporting that the nation’s Five-hundred-meter Aperture Spherical Telescope (FAST) has detected what could be signals sent from ‘extraterrestrial civilizations‘. FAST is ...

The Wide Aperture Exoplanet Telescope (WAET) is a ground-based optical telescope layout in which one dimension of a filled aperture can be made very, very large (beyond 100 m) at low cost and ...

Ever see a photograph with a dreamy, out-of-focus background? Or perhaps a landscape with pin-sharp details from the closest foreground elements all the way to distant clouds? Aperture is what allows ...