NASA’s laser retroreflector arrays aboard GPS III satellites enhance positioning accuracy for Earth navigation and scientific measurements by reflecting laser signals back to ground stations.

An epic lunar laser experiment is still going strong, five decades after the Apollo astronauts set it up on the surface. The moonwalking crew of Apollo 11, which landed on the moon 50 years ago this ...

An Israeli spacecraft from SpaceIL was launched Thursday, Feb. 21 and is aiming to touch down on Mare Serenitatis two months later. NASA installed a small laser retroreflector aboard the lander to ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. Despite some recent delays, NASA’s Artemis program is still ...

Dozens of times over the last decade NASA scientists have launched laser beams at a reflector the size of a paperback novel about 240,000 miles (385,000 kilometers) away from Earth. They announced ...

Click to open image viewer. The Laser Ranging Retroreflector is a device that reflects light so that the paths of the reflected rays are parallel to those of the original rays. Instruments placed on ...