In January 1610, Galileo Galilei, using a newly improved telescope with 20x magnification, observed four celestial bodies orbiting Jupiter, initially appearing as stars. These bodies, later named Io, ...

Jupiter is a very pretty planet. Whether seen with a small telescope or up close by spacecraft, the planet’s colorful stripes and storms are a stunning defining feature. They are the product of a ...

It has to do with shifts in Jupiter's magnetic field. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. When you picture Jupiter, you probably see ...