SPHEREx begins mapping the sky in infrared, exploring the universe’s origins and life’s building blocks across the Milky Way.

Pointed away from Earth about 404 miles overhead, the orbital observatory will circle the planet from north to south about 14 ...

Galaxies speckle the heavens like stars in a stunning new photo of the deep and distant universe.

This spectrograph map, generated from data collected by NASA's New Horizons probe, depicts the relatively uniform brightness ...

"It's like trying to spot a fish by looking for ripples in a pond, rather than trying to see the fish itself." ...