The eight largest moons in our solar system are Ganymede, Titan, Callisto, Io, Earth's Moon, Europa, Triton, and Titania.

Amazing views of Jupiter over the years via the Hubble Space Telescope. The moons of Io, Ganymede and hazy Uranus can be ...

The European Space Agency's (ESA) JUICE spacecraft launched atop an Ariane 5 rocket from French Guiana in April 2023. The ...

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

The ESA's Jupiter Icy Moons Explorer (JUICE), which launched in April 2023, has completed another successful flyby aimed at boosting its speed ahead of a Jupiter orbital insertion sometime in 2031.

The autumn night sky in Ireland is an observer's treasure-trove and the first celestial event of the season arrives on ...

September offers various celestial events, including Saturn and Neptune's oppositions, Mars's approach to solar conjunction, and favorable viewing of Uranus and Jupiter. Multiple transits of Saturn's ...

Europe's most advanced interplanetary space probe lost contact with Earth for nearly a full day leading up to a crucial flyby of Venus that will occur on Sunday (Aug. 31). JUICE (short for "Jupiter ...

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

SpaceX launched yet another batch of its Starlink internet satellites to orbit today (Aug. 22). A Falcon 9 rocket carrying 24 Starlink craft lifted off from Vandenberg Space Force Base in coastal ...