In a landmark observation by a team of international researchers, NASA's Juno spacecraft has, for the first time, clearly detected the auroras of Jupiter's moon Callisto. This discovery completes the ...

Astronomers have detected a strange, heartbeat-like pulse coming from the interstellar object 3I/ATLAS, which brightens and dims every 16.16 hours, a rhythm that has fascinated researchers and set ...

The highest-resolution images of Callisto have revealed a moon far more complex than scientists assumed. Beneath its ancient scars lie patterns that don’t match typical impact structures, hinting at ...