The moon, discovered by Barnard, orbits Jupiter within the orbit of Io and was named Amalthea after the nymph who, according to Greek mythology, fed Zeus with goat's milk in his childhood. Images ...

Juno arrived at Jupiter in 2016 and has made over 60 orbits of the giant planet, but for the past few years it has been edging closer and making fly-bys of the large Galilean moons. On Dec. 30 ...

Out past Neptune are countless small icy and rocky bodies called Trans-Neptunian Objects (TNOs), and many of these have moons as well. While some TNOs could be called dwarf planets because of their ...

In March and April 2025, internet users shared a striking image that they claimed showed "Steeple Mountain," a massive point ...

In Io's case, Jupiter's intense gravity tugs on the much smaller moon as the latter orbits in an elliptical (oval-shaped) pattern, meaning Io is closer to Jupiter at some points during its orbit and ...

YR4, which recently caused concern over the possibility of it impacting Earth, has been the subject of extensive tracking ...

Liftoff! NASA's Europa Clipper Sails Toward Ocean Moon of Jupiter Oct. 14, 2024 — NASA's Europa Clipper has embarked on its long voyage to Jupiter, where it will investigate Europa, a moon with ...

Jupiter’s four largest moons – Io, Europa ... Regular moons tend to orbit their planets in nice, circular orbits around the equator. Irregular moons typically orbit in big ovals further ...

The discovery of natural satellites on Saturn assists researchers in understanding the dynamics of orbits, resonances, and the stability of planetary systems in general ...

The Jupiter Icy Moons Explorer (Juice ... It will complete at least four orbits of the Sun during its journey. Gravity assistance is key: Jupiter is over 500 million miles from Earth.

Io is an incredibly active and extreme place, with glistening lava lakes and volcanic eruptions shooting sulfur and magma to ...