Sedna is drifting into a part of its path where human technology can finally contemplate catching up, and that window will ...

Journey to the farthest reaches of our solar system and uncover the mysteries of Sedna, a reddish dwarf planet that orbits the Sun once every 11,400 years. Explore its strange orbit, icy surface, and ...

The search for an unknown planet in our solar system has inspired astronomers for more than a century. Now, a recent study suggests a potential new candidate, which the paper’s authors have dubbed ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. 2023 KQ14, nicknamed “Ammonite,” is a trans-Neptunian object ...

A new extreme trans-Neptunian object (ETNO), designated 2023 KQ14 (Ammonite), has been discovered, representing only the fourth known sednoid – a class of ETNOs with highly distant and elongated ...

Japanese astronomers have discovered a far-off object orbiting the Sun well beyond Neptune, suggesting that an extraordinary event occurred in the early solar system. The discovery was made by ...

Filament eruptions are common on the Sun and are triggered by small instabilities in the Sun’s magnetic field. Also Read: New world Sedna discovered in solar system. What this means for Planet Nine ...

Scientists are almost sure that there is a ninth planet. But a study by Japanese astronomers hints that this might not be true. A new cosmic body called a sednoid has been discovered near the Kuiper ...

Astronomers in Japan have spotted a distant object orbiting the Sun far beyond Neptune, pointing to an extraordinary event that took place during the earliest years of the solar system. Astronomers ...

The Subaru Telescope has revealed a fourth member of the sednoids, a group of small bodies with peculiar orbits around the outer edge of the Solar System that includes Sedna. The new object, ...

It moves through the darkness on a path so long that humans had only begun to farm the first grains when it last came close to the Sun. Sedna, a distant dwarf planet three-quarters the size of Pluto, ...