A new dwarf planet, discovered beyond Neptune and described as Pluto's 'cousin,' could void the hypothesis of a Planet X in ...

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 ...

Hey Neptune. Did you ring ... to tease out the atmospheric composition" of the planet, McCaughrean, who has worked on the Webb project for more than 20 years, told AFP. Neptune appears ...

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 ...

an interdisciplinary scientist for the James Webb Telescope Project, said in a statement. Neptune, the furthest planet in the solar system, is known as an "ice giant" alongside Uranus because the ...

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

Neptune itself appears mostly dark in the new image. That’s because methane gas in the planet’s atmosphere ... and one of JWST’s project scientists. The enormity of the telescope’s mirror ...

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 ...