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

Its 3.2 billion-pixel array will produce a new picture of the whole southern sky every three nights, with unprecedented detail, over and over, for years on end. We’re accustomed to telescopes ...

The Hubble telescope peered into small patches of sky, revealing thousands of galaxies that our human eyes can’t see. Using a different technique, SPHEREx will unveil the light of hidden ...