SPHEREx is slated to launch Feb. 27 on a SpaceX rocket. It is meant to map the entire night sky in infrared — something even the JWST can't exactly do.

Expected to launch no earlier than Thursday, Feb. 27, from Vandenberg Space Force Base in California, NASA's SPHEREx space observatory will provide astronomers with a big-picture view of the cosmos like never before.

The SPHEREx space telescope, launching in February 2025, will map the cosmos in infrared light, helping scientists understand the universe's early history.

SPHEREx is a groundbreaking NASA telescope that will map the entire sky in infrared, revealing insights into cosmic inflation, galaxy formation, and the ingredients of life in space. By measuring the total glow of the universe and pinpointing key molecules in our galaxy,