Voyager 2's 40-Year-Old Uranus and Neptune Data Still Unanswered

Nearly four decades after Voyager 2's brief flybys of Uranus and Neptune — the only visits humanity has ever made to these distant worlds — the ice giants remain among the most poorly understood planets in our solar system. What was glimpsed in hours of observation has sustained generations of unanswered questions about planetary interiors, magnetic fields, and the deeper architecture of worlds. The silence since 1989 is not born of indifference, but of the immense difficulty of reaching places so far from the sun, where even gravity itself must be borrowed from other planets to make the journ