The JWST discovers the Zhúlóng spiral galaxy, as massive as the Milky Way, formed only a billion years after the Big Bang.

Scientists are racing to learn as much as possible about the interstellar comet 3I/ATLAS before it fades from view forever ...

The Milky Way is not just a band of stars stretching across the night sky; it's a massive, dynamic galaxy spanning over 200,000 light-years and containing hundreds of billions of stars, planets, and ...

A decade of observations by NASA’s Hubble Space Telescope has produced the sharpest and most detailed images of the Andromeda galaxy. Zoom in and explore.

A newly discovered interstellar comet could be older than the Solar System, and scientists think it carries secrets from the ...