11:18 p.m. EDT (0318 GMT): Juno's main engine begins firing in the orbit-insertion burn, which should slow the spacecraft by 1,212 mph (1,950 km/h) and allow it to be captured by Jupiter's gravity ...

Juno is the fastest spacecraft to enter orbit around another planet. But is it really the fastest spacecraft ever? When it comes to velocity, that depends on how you measure it.

The NASA Juno spacecraft has once again amazed the world, capturing an extraordinary image of Jupiter’s atmosphere. This time, a dolphin-shaped cloud formation was spotted swimming along the gas ...

At about 9 p.m. Eastern on the Fourth of July, the Juno spacecraft will conclude a five-year journey when it carries out a series of complex maneuvers to insert itself into orbit around Jupiter.

Spacecraft like Juno routinely use flybys of Earth to gain speed and slingshot themselves towards the outer solar system. Occasionally, however, passing spacecraft seem to get an extra boost ...