The NASA spacecraft tasked with uncovering the secrets of Jupiter, king of the planets, is running out of time. The Juno ...

Juno also snapped pictures of Jupiter's potato-shaped inner moon, named Amalthea. With a radius of only 52 miles (84 kilometers), Amalthea is significantly smaller than Earth 's moon.

Juno will fly through one more 53-day orbit before a critical Oct. 19 rocket firing that will drastically lower the high point of the ellipse, putting the spacecraft in a planned 14-day science ...

As Juno investigates, telescopes around the world and in space will be keeping an eye on Jupiter as well. When the probe buzzes the clouds, it can see only a sliver of the planet at one time.

Juno raced by Ganymede at 1:35 p.m. EDT Monday, passing within about 645 miles of the moon and capturing a razor-sharp view of the cratered world, thought to harbor a sub-surface sea beneath an ...