Figure 1: A schematic diagram showing how researchers can study radiation from the early universe using an infrared reflective filter with a moth eye structure created by a pulsed laser process.

The powerful instrument promises to reveal the cosmos in greater detail than ever before. To accomplish this feat, engineers ...

Students at the University of Arizona are trying to help astronomers as reflective satellites continue to fill our night skies. These students completed on the first comprehensive peer-reviewed ...

As satellites crawl across the sky, they reflect light from the sun back down to Earth, especially during the first few hours after sunset and the first few hours before sunrise. As more companies ...

Mike Every knows about grinding glass—and he doesn’t like it. The second-year physics major from Saugerties, N.Y., is an amateur telescope maker with an idea for producing lightweight mirrors out of ...