Recent flybys of the fiery world refute a leading theory of its inner structure—and reveal how little is understood about geologically active moons.

Currently, Hamilton is working on two NASA Discovery mission concepts: The Io Volcano Observer, which would travel to Jupiter’s moon Io to study processes of active volcanism and tidal heating ...

ESA's Mars Express orbiter captured footage of the Mars' moon Deimos pass in front of Ganymede, Europa, Jupiter, Io and ...

Io, one of the most fascinating moons in our solar system, continues to mystify scientists with its intense volcanic activity and bizarre behavior. This moon, known for its towering volcanoes, ...

KENNEDY SPACE CENTER — NASA's Europa Clipper mission on Monday launched a satellite to investigate Europa, Jupiter’s “mysterious moon” — a world covered in ice that scientists say could ...

The new moon in Cancer on June 25, amplified by Jupiter, signals a powerful period for new beginnings and personal insight.

Lake Effect astronomy contributor Jean Creighton shares some myths behind some of our solar system’s most famous moons and ...

A series of planets will align in the early morning skies before sunrise through July 4, including Jupiter, Uranus, Mars, Neptune, Saturn, the dwarf planet Pluto and the moon.

Spacecraft from NASA and India's space agency have snapped orbital photos of the Japanese lunar lander Resilience after its recent "hard landing" on the moon. Some of the images show pieces of the ...