A secretive Zuma satellite launch on behalf of an unknown U.S. government agency recently went awry. Amidst speculation, one thing is certain: the satellite isn’t fully functional in its intended ...

It was one of the most important things Elon Musk has ever launched into space: a government satellite so shrouded in secrecy that virtually everything about it is classified. Its code name: Zuma.

Contradictory accounts are emerging in the wake of the apparent failure of the Zuma mission—a secretive multibillion-dollar spy satellite that was launched by SpaceX from Cape Canaveral, Florida this ...