Juno's findings provide fresh evidence for how and where cosmic rays form.

As NASA's Juno flew around Jupiter last week, the spacecraft snapped a photo of an object before it could make a clean getaway. That clunky, bumpy thing at the far right edge of the frame is Thebe, ...

For more than a century, cosmic rays have remained one of astronomy’s lingering puzzles. These tiny particles move through ...

Juno, one of NASA’s most ambitious projects, was launched a little over five years ago on August 5, 2011. Using the Earth’s gravity to ‘slingshot’ itself toward Jupiter, Juno made it into the orbit of ...