Volunteer astronomers sifting through infrared images from a retired NASA telescope have spotted a faint object racing through space at roughly 1 million miles per hour, fast enough to eventually ...

Satellites come in all shapes and sizes, but there aren’t any that look quite like SPHEREx, an infrared observatory NASA launched Tuesday night in search of answers to simmering questions about how ...

Less than a year into its mission, NASA’s SPHEREx has already completed its first full survey of the sky, producing a near-infrared map that captures the entire cosmos in a staggering 102 colors.