The missions' first four delays were to allow for additional time for checkouts and processing on the Falcon 9 rocket they'll ride to space, according to NASA. Now, the delay is "due to the availability of a launch opportunity on the Western range," NASA said in an update.

Learn about NASA's SPHEREx mission, which will launch on March 4, 2025 to study the universe's early history and search the Milky Way for signs of water.

NASA’s upcoming SPHEREx mission is on a quest to track down cosmic reservoirs of frozen water and life-essential molecules in deep space. Using a unique 3D spectral approach, it will scan molecular clouds where stars and planets are born,

Nasa's SPHEREx and PUNCH missions have been delayed to March 6, allowing the agency more time to complete vehicle processing and prelaunch checkouts

Scientists aim to answer some of the most fundamental questions about the universe using NASA's newest space telescope, SPHEREx, which is set to launch Feb. 28.

NASA and SpaceX are preparing to launch a first-of-its-kind mission to study the powerful electric currents that surge through Earth’s atmosphere during aurora displays. These“auroral electrojets” push millions of amps of electrical charge around the planet’s poles every second,