Trans-Neptunian objects as small as 3 miles across have been directly characterized for the first time, as Hubble and James Webb Space Telescopes surveyed 27 icy relics beyond Neptune, finding these ...
NASA’s Hubble Space Telescope and James Webb Space Telescope have revealed that some of the smallest objects beyond Neptune ...
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 ...
Astronomers have uncovered a massive new trans-Neptunian object, 2017 OF201, lurking at the edge of our solar system. With an orbit stretching 25,000 years and a size that may qualify it as a dwarf ...