It is likely that the four large moons were formed at the same time as Jupiter and in its immediate vicinity. For the small moons, it is assumed that they are more likely to be asteroids captured by ...

Technically, Jupiter doesn’t orbit the sun. Here’s why. Video courtesy of NASA. Follow TI: On Facebook More from Tech Technically, Jupiter doesn’t orbit the sun. Here’s why. Video courtesy ...

After a final 35-minute engine burst to slow it down Monday night, the NASA explorer spacecraft named Juno will attempt to enter Jupiter's polar orbit. By observing the planet, astronomers are ...

With Sunbird in Orbit: A spacecraft launches to LEO (~9.4 km/s), docks with a Sunbird, and then the Sunbird’s fusion propulsion handles the rest. 3–5 km/s to Mars or 6–10 km/s to Jupiter. The initial ...