Uranus and Neptune May Be Rocky Worlds Not Ice Giants, New Research Shows

Dec 11, 2025 - 18:00
Uranus and Neptune May Be Rocky Worlds Not Ice Giants, New Research Shows
A new analysis challenges decades-old assumptions about Uranus and Neptune, revealing that both planets may contain far more rock than icy materials. These findings help explain their strange magnetic fields and show that traditional "ice giant" models may be incomplete. Scientists say only dedicated future missions can uncover the true interior makeup of these distant worlds.