Q&A with Jamie Bock, principal investigator of NASA’s SPHEREx mission (members only)

A 139-foot-tall Antares rocket is slated for a predawn launch Monday from the Mid-Atlantic Regional Spaceport on Virginia’s Eastern Shore, carrying a Cygnus supply ship heading for the International Space Station.

A network of amateur skywatchers and satellite observers have located a classified spacecraft owned by the National Reconnaissance Office, a U.S. government intelligence agency, in low Earth orbit after its launch May 1 from Florida aboard a SpaceX Falcon 9 rocket.

Launching from Vandenberg Air Force Base on California’s Central Coast on its third try, United Launch Alliance’s Delta 2 rocket lifted off Saturday with NOAA’s JPSS 1 polar-orbiting weather satellite.