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 ...

The Atomic Spectroscopy Group provides standardized measurements used across wide swaths of science and industry. The Trump ...

GS-z13-1, marks the earliest sign yet spotted of the era of cosmic reionization at 330 million years after the Big Bang.

Instead, they absorb light more strongly at shorter wavelengths (towards the blue end of the spectrum), and less strongly at longer wavelengths (towards the red end). The wavelength-dependence can ...