A brand new NASA space observatory, SPHEREx, has taken its first test images a few weeks after its launch on March 11, and ...

SPHEREx stands for the Spectro-Photometer for the History of the Universe, Epoch of Reionization, and Ices Explorer.

This first light, as it's called, shows that all of the spacecraft's systems are working just as expected. "Based on the ...

SPHEREx will begin routine science operations in late April, NASA said. At that time, the space telescope will begin taking ...

NASA's SPHEREx, which will map millions of galaxies across the entire sky, captured one of its first exposures March 27. The ...

Each colour within the visible light spectrum has its own narrow band of wavelength and frequency. An object appears to be black if it absorbs all the wavelengths of visible light. For example ...