The interstellar comet 3I/ATLAS is leaving our solar system. See new photos from a European Space Agency orbiter on its way to Jupiter.

Astronomers have reported observations of a rare star system consisting of one star orbiting a system of three more tightly ...

The James Webb Space Telescope captured a stunning spiral galaxy 65 million light-years away, revealing glowing dust clouds and stellar nurseries.

Using the Transiting Exoplanet Survey Satellite (TESS) and High Accuracy Radial velocity Planet Searcher for the Northern ...