On Sept. 21, 2003, NASA's Galileo mission to Jupiter and its moons came to an end. After 14 years of exploration, the Galileo ...

ESA's Mars Express orbiter captured footage of the Mars' moon Deimos pass in front of Ganymede, Europa, Jupiter, Io and Callisto (in that order). Credit: Space.com | footage credit: ESA/DLR/FU Berlin ...

Saturn is reclaiming its throne in the night sky and on September 21 will make its closest approach to Earth for the year.

The Europa Clipper cost is estimated to be around $5 billion. This mission aims to investigate Europa’s potential for ...

The crescent moon will shine with Jupiter among the stars of Gemini early on Sept. 16. Turn your eyes to the east in the ...

On September 11, 2025, a groundbreaking study showed that scientists can detect unusual ice phases that do not exist on Earth ...

NASA's Juno spacecraft has detected the auroras of Jupiter's moon Callisto for the first time, completing observations of all four Galilean moons.

In a landmark observation by a team of international researchers, NASA's Juno spacecraft has, for the first time, clearly ...

The autumn night sky in Ireland is an observer's treasure-trove and the first celestial event of the season arrives on September 7 with a lunar eclipse and blood moon ...

Io, Europa and Ganymede had already shown their footprints through earlier observations. But Callisto, the farthest Galilean ...

Virtual reality fans, THE EDGE opens a monumental space in the heart of Paris! Dive into an immersive VR experience inspired by "Ready Player One", where realistic sensations and space adventures ...

However, prior to NASA's Juno mission, scientists had been unable to capture the auroral imprint of Callisto. The auroral phenomena of Jupiter are among the most striking natural wonders in the solar ...