telescope

Astronomers are scrambling to save the Chandra X-ray Observatory, the most powerful X-ray telescope ever built

James Webb Space Telescope captures two galaxies merging

Behold! James Webb Space Telescope's stunning first full-color images

Hubble Space Telescope spots biggest comet ever discovered

Confirmed: There are now 5,000 planets outside our solar system

PHOTO: The $10 billion James Webb telescope sends its first super-sharp image of a star

NASA aims to snap 1st images of Jupiter-like planet