The spacecraft, SPHEREx and PUNCH, had been expected to launch on a SpaceX rocket on Saturday. Two NASA missions will have to wait longer for a launch aboard a single rocket. Both aim to unravel mysteries about the universe — one by peering far from Earth, the other by looking closer to home.

Nineteen orbital rockets launched from Florida's Space Coast during January and February, accelerating the 2025 Eastern Range schedule to a record-breaking pace that would topple last year's record of 93 annual liftoffs.

"EZIE is the first mission dedicated exclusively to studying the electrojets," Larry Kepko, an EZIE mission scientist at NASA's Goddard Space Flight Center in Maryland, said in a statement. "It does so with a completely new measurement technique."

Spokesman-Review reporter Nick Gibson is in Florida this week to report on Anne McClain’s and NASA’s SpaceX launch from the Kennedy Space Center. Follow along in print and online at spokesman.com/sections/return-to-space.

The rocket that will launch NASA's Crew-10 is on the pad. This comes after a spacecraft swap and Falcon 9 incidents required additional testing.