Five planets are retrograde in summer 2025: Pluto, Neptune, Saturn, Mercury and Uranus. Astrologically, that means in for a ...

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.

Astronomers Discover a Possible Dwarf Planet Far Beyond Neptune, Where There Should Have Only Been Empty Space As it orbits the sun once every 25,000 years, the celestial body 2017 OF201 travels ...

Scientists may have found evidence of a ninth planet hiding out beyond Pluto, but is it actually Planet Nine?

Astronomers finally spotted evidence of auroras on Neptune after years of searching, raising new questions about the planet.

The James Webb Space Telescope has photographed auroras on Neptune for the first time. These are only faint and occur in an unusual place.

Neptune's auroras occur near the mid-latitudes of the planet, not the polar regions, because of differences in its magnetic field, which determine the span of auroras, said O’Donoghue.

Is “Planet 9” Out There? Astronomers Find Evidence Of Massive Object Beyond Neptune’s Orbit The team of researchers are calling it the “strongest statistical evidence yet”.

A celestial spectacle is on the cards for August 21. The Ringed Planet and Blue Giant are both set to be visible near the Moon across certain parts of Europe.

Neptune-like planet ‘Phoenix’ baffles astronomers with its atmosphere The discovery challenges conventional theories about how planets age in extreme, radiation-filled environments.