Getting from Earth to space isn’t just about speed—it’s about planning the right trajectory. The Moon, our closest neighbor, ...

On this date, Jan. 7, 1610, astronomer Galileo Galilei, with a homemade telescope, noticed three points of light near Jupiter. Initially believing they were distant stars, Galileo’s repeated ...

other space missions like Juno and Galileo have continued to study them. Scientists believe that the rings formed by comets colliding with Jupiter's moons and kicking dust into the planet's orbit.

NASA’s Voyager 1 spacecraft took the first photos of rings around Jupiter. This was the first time anyone had seen Jupiter’s rings. Because the rings are so thin and faint, it's extremely difficult to ...