"A Strange, Alien World" --NASA's Juno Spacecraft Will Probe Beneath Jupiter's Cloudtops Today (WATCH Today's Galaxy' Stream)

Secrets lie deep within Jupiter, shrouded in the solar system's strongest magnetic field and most lethal radiation belts. On July 4, 2016, NASA's Juno spacecraft plunged into uncharted territory, entering orbit around the gas giant and passing closer than any...