Astronomers using the W. M. Keck Observatory on Maunakea, Hawaiʻi Island are revealing new insight into the composition and origins of Uranus's two outer rings. Using data from the Keck Observatory ...

What if our understanding of Uranus and Neptune's compositions have been wrong, specifically regarding their classifications as "ice giants?" This is what a recent study accepted for publication in ...

The Hubble Space Telescope has peered at Uranus, left, and Neptune to study the so-called "ice giant" planets, but little is known about their interior composition. Credit: NASA / ESA / M. Showalter / ...

Data from the Chandra X-ray Observatory, Hubble Space Telescope, Cassini mission and W.M. Keck Observatory were used to ...

The cold, icy world of Uranus is framed by a pair of rings that orbit the planet at twice the distance of its main ring system. Each ring tells a different story — the outermost ring appears blue, ...

Scientists have finally figured out how two faint outer rings around Uranus formed, solving a mystery nearly 2 billion miles away that had puzzled astronomers for years. A new study examined the ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. Ask anyone what their favorite planet in the solar system is ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. We might have been very wrong about exactly what lurks below the ...