31, 2023 — A Neptune-sized planet denser than steel has been discovered by an international team of astronomers, who believe its composition ... have discovered a new ring system around a ...

After a decade-long search, some scientists say a growing number of clues point to the existence of a hidden planet in the ...

Brown, a professor of planetary astronomy at Caltech, discovered another small world called Eris in the Kuiper Belt — a vast ring of icy objects beyond Neptune’s orbit that also happens to be ...

Mercury is closest to the Sun. Neptune is the farthest. Other than Saturn, the planets that have rings are: Jupiter: This planet has a faint ring system composed mainly of dust particles and small ...

But the gas giant, mostly known for its spectacular rings ... though its composition is unknown, it probably originated from the Kuiper Belt beyond Neptune," discovery team member Paul Wiegert ...

But the gas giant, mostly known for its spectacular rings, may have cheated a little ... across, though its composition is unknown, it probably originated from the Kuiper Belt beyond Neptune," ...

New research explores if the moon was captured by Earth or formed by a collision. Scientists weigh theories, analyzing lunar ...

Scientists from Penn State University have proposed a radical new theory for the Moon's origin which overturns the popular ...

OLUSEYI: From afar, we can tell what the composition of Pluto's surface is ... not only on the surface but also deep inside planets. Neptune, made up of around 80% frozen icy material, has ...