NASA/JPL-Caltech Juno, NASA's probe at Jupiter, has orbited the giant planet for nearly two years. The $1 billion mission was scheduled to end with a crash into Jupiter's clouds after July 2018. However, NASA sources have confirmed that the mission will be extended through July 2021. For the past two years, NASA's Juno probe has studied planet Jupiter like no spacecraft before it. The $1 billion mission has peeled back the giant planet's thick cloud layers, searched for an elusive core, and returned dazzling images of colossal storms and chaotic cloud bands.See the rest of the story at Business InsiderNOW WATCH: There's a place at the bottom of the Pacific Ocean where hundreds of giant spacecraft go to dieSee Also:The space between Earth and the moon is mind-boggling.