NASA’s telescopes have delivered a just-in-time holiday gift from the other side of the galaxy—a new composite image of a particularly festive grouping of stars known as the Christmas Tree ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. New images captured ...

The James Webb Space Telescope (JWST) left astronomers feeling festive recently as it allowed them to image a distant, colorful cluster of galaxies they have dubbed the "Christmas Tree Galaxy ...