Q&A with John Shannon, Boeing’s SLS vice president and program manager (members only)

A new sunshade, or visor, designed to reduce the brightness of SpaceX’s Starlink broadband Internet satellites will debut on the company’s next launch, a measure intended to alleviate astronomers’ concerns about impacts on observations through ground-based telescopes, SpaceX founder Elon Musk said Monday.

Japan’s regional satellite navigation network, conceived to improve GPS coverage over Japanese territory, received its fourth member Monday with an on-target H-2A rocket launch.

None of the teams who have spent the last decade chasing a $20 million grand prize by placing a privately-funded lander on the moon will meet a deadline at the end of March to claim the award, the organizers of the Google Lunar X Prize announced Tuesday.