NASA’s Roman Space Telescope cleared its last optical quality check at Goddard Space Flight Center on May 20 and 21, ...

NASA engineers completed their final inspection of the Roman telescope's primary mirror and are now preparing to ship the ...

Engineers at NASA’s Goddard Space Flight Center completed the final inspection of the Nancy Grace Roman Space Telescope’s 2.4 ...

For the last time on Earth, engineers have completed their final inspection of the primary mirror for NASA's Nancy Grace ...

NASA’s Nancy Grace Roman Space Telescope’s primary mirror passes its final check, heading for launch on August 30, 2026.

Inside a massive clean room at NASA’s Goddard Space Flight Center Maryland the James Webb Space Telescope team is steadily installing the largest space telescope mirror ever Unlike other space ...

Explore 15 photos and facts about the Hubble Telescope, revealing its discoveries, missions, and breathtaking views of space.

When it comes to telescopes and how powerful they are for looking deep into the cosmos, there are lots of factors to consider. Such as the portion of the electromagnetic spectrum the telescope operate ...

When scientists are looking into space, the more they can see, the easier it is to piece together the puzzle of the cosmos. The James Webb Space Telescope’s mirror blanks have now been constructed.

The Simonyi Survey Telescope now has its mirrors and a camera in place. (Credit: Rubin Observatory) The Vera C. Rubin Observatory’s 8.4-meter Simonyi Survey Telescope in Chile has now been equipped ...

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 ...