NASA's James Webb Space Telescope has captured evidence of a planet beyond the solar system for the first time since its launch in 2021. The exoplanet, a planet beyond our solar system, has been ...

Scenes of nebulas in the Milky Way, a cluster of galaxies and thousands of new asteroids are a teaser of how the U.S.-funded observatory on a mountain in Chile will transform astronomy. In this image ...

Welcome to the 18th annual Space Telescope Advent Calendar, featuring remarkable images from NASA’s Hubble Space Telescope and James Webb Space Telescope. Every day until December 25, this page will ...

NASA is sounding an unusually stark alarm: in the coming years, streaks from commercial satellites could creep into almost every image taken by major space telescopes. What was once a pristine, black ...