Here are the three key science investigations SPHEREx will conduct with its colorful all-sky map. What human eyes perceive as colors are distinct wavelengths of light. The only difference between ...

to complete two all-sky maps every year. "SPHEREx has to be quite agile because the spacecraft has to move relatively quickly as it scans the sky," said JPL's Sara Susca, deputy payload manager ...

A map of the night sky created by the ancient Greek astronomer Hipparchus was recently discovered at St. Catherine Monastery ...

As IBEX orbits, it builds on the crescent shape captured by its rotation until it completes one all-sky map in about six-months. These maps are revealing the structures, dynamics, energetic ...