Discovery of 2017OF201, a large trans-Neptune Object, challenges previous beliefs about the Kuiper Belt and hints at the existence of a theoretical Planet Nine.

A new member of the solar system has been detected, the second-largest of its kind, suggesting there may be more like it ...

Neptune, which is four times as wide as Earth, is the most distant planet of our solar system ... appears,” said Klaus Pontoppidan, Webb project scientist at the Space Telescope Science ...

Scientists had previously believed that no celestial bodies existed in the vast, empty section of space beyond Neptune.

NEPTUNE - Solar power from the Extra Space Storage Community Solar Project is expected to soon ... way to do our part in preserving the planet and support our neighbors." Interfaith Neighbors ...

Scientists have identified an object about 435 miles (700 km) wide inhabiting the frigid outer reaches of our solar system that might qualify as a dwarf planet, spotting it as it travels on a highly ...

Mike Brown is convinced that beyond Neptune, at the far reaches of our solar system, there's an unseen giant planet ... Rubin Observatory, a joint project of the National Science Foundation ...

It is considered a sub-Neptune planet because it's larger than Earth ... TOI-421b was chosen for the project because the initial analysis led scientists to believe that the planet could be ...

Webb’s detection of auroras on Neptune is the first time astronomers have captured direct evidence of this phenomenon on the planet. NASA, ESA, CSA, STScI, Heidi Hammel (AURA), Henrik Melin ...