Astronomers have uncovered new evidence that Jupiter’s moon Callisto likely harbors a massive underground ocean, potentially ...

A stunning Blood Moon March 13/14 caps off plenty of planetary action and sparkling stars in the sky this week.

A groundbreaking discovery has reshaped our understanding of water ice under extreme conditions. Scientists led by Livia Bove ...

Using data collected by NASA's Juno spacecraft as it flew past Jupiter's highly volcanic moon Io in late 2023 and again in ...

Scientists believe that the moons are remnants of larger objects shattered by ancient collisions, a glimpse into the chaotic early solar system.

NASA’s Juno spacecraft identifies over 40 enormous lava lakes on Io, shedding light on the extreme volcanism sculpting Jupiter’s moon.

In February 2025, conditions were just right to catch a "planetary party" above the European Southern Observatory's (ESO) ...

Io’s long-debated magma ocean may not exist. Juno spacecraft data reveals that tidal forces deform the moon differently than ...