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

After 11 years mapping the Milky Way, the European Space Agency's Gaia space telescope has retired. Scientists hailed it as ...

Fluffy strands of cosmic gas and dust illuminated by bright young stars form a beautiful cloudscape in a neighboring nebula.

Satellites come in all shapes and sizes, but there aren't any that look quite like SPHEREx, an infrared observatory NASA ...

CAPE CANAVERAL, Fla. (AP) — The Webb Space Telescope has captured a plume of gas and dust streaming from a star in the making ...

A newborn star, a blast of glowing gas, and a distant spiral galaxy — all caught in one stunning snapshot by the James Webb ...