The Moon is just a few days away, but Mars takes months, and reaching Jupiter can take years. Gravity assists and fuel-saving paths often make the journey longer but more efficient. Getting from Earth ...

The ratification means Saturn goes well ahead of Jupiter, which has a puny population of 95 known moons. The moons were discovered by a team of astronomers who in 2023 used the Canada France Hawaii ...

The ringed gas giant Saturn has officially replaced Jupiter as the planet in our solar system with the most moons. The International Astronomical Union officially recognized 128 new moons orbiting ...

"Giraffiti flew with me on my one and only flight to the International Space Station," said Wiseman, holding up a plush toy giraffe. "He still has a little bit of stitching on his neck so that he ...