The James Webb Space Telescope has captured its first direct images of carbon dioxide in a planet outside the solar system in HR 8799, a multiplanet system 130 light-years away that has long been a ...

The image reveals over 2,500 galaxies, many of which are seen as they were during the first billion years of cosmic history. The James Webb Space Telescope has returned to the scene of one of the ...

A new image shows the growing tail of a comet from another star system streaking across our solar system. The image of comet 3I/ATLAS was captured on Aug. 27 using one of the telescopes at the ...

Astronomers have long been concerned about reflections from satellites showing up in images taken by telescopes and other ...

The Gemini South telescope is turning 25, and astronomers are celebrating its birthday with a dazzling new image of the Butterfly Nebula. Also cataloged as NGC 6302, this planetary nebula is located ...