AST SpaceMobile, a Texas-based startup, plans to launch 45 to 60 satellites by 2026, challenging SpaceX's Starlink with a $1.5 billion investment.

AST SpaceMobile’s stock jumped after the company announced an ambitious plan to launch up to 60 satellites by 2026.

United Launch Alliance punched out its first Vulcan Centaur launch of the year Tuesday night, and its first ever for the ...