Cloud cover is bad for picnics and for viewing stars through a telescope. But an exoplanet with dense or even total cloud ...

NASA installs two solar shields on the Roman telescope at Goddard: they will protect the instruments from heat and light.

The Richard F Caris Mirror Lab in Tucson is actually attached to the UA football stadium, with some parts being below seats ...

A new additive manufacturing route creates carbon fiber silicon carbide mirrors that unite low weight, strength, and sub-nanometer smoothness, reaching 97 percent visible reflectance for space optics.

What makes a comet from another star system flare twice as fast as expected?” That question now grips astronomers studying 3I/ATLAS, the third confirmed interstellar object to pass through our solar ...

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 ...

GREENBELT, Md. – Scientists working at NASA’s Goddard Space Flight Center in Greenbelt, Md., have concocted an innovative recipe for giant telescope mirrors on the Moon. To make a mirror that dwarfs ...

One Maunakea telescope has been partially removed, but the building that housed it will remain standing until next year. After months of delays, workers began taking apart CSO’s telescope in June, and ...

Cloud cover is bad for picnics and for viewing stars through a telescope. But an exoplanet with dense or even total cloud cover could help astronomers ...