The NASA-funded ATLAS telescope in Chile detected interstellar comet 3I/ATLAS on July 1st, originating from Sagittarius.

Astronomers have discovered a giant, 500-light-year-wide cavity between two star-forming regions in the constellations ...

This fan-favorite double star at the head of Cygnus the swan shows off stunning contrasting colors through a telescope.

I’ve spent much of my long life studying — and trying to understand — the history of the universe. Along the way, I have been constantly reminded that science is essentially international: Science ...

This unprecedented view of the Bullet Cluster provided by the James Webb Space Telescope and the Chandra X-ray Observatory ...