Six planets will be visible in our skies for the next few days in the last “planetary parade” of 2025. Jupiter, Mercury, ...

The James Webb Space Telescope has unveiled breathtaking images of Neptune, showcasing the planet’s elusive aurorae with ...

"This is a big step in understanding the outer solar system," team leader Rosemary Pike from the Center for Astrophysics | ...

A planetary parade of six planets is visible in the morning sky through August 20, with Mercury joining Venus, Jupiter, ...

On Aug. 1, Venus will form a tense square to Saturn and Neptune, creating tension between the desire for love and comfort ...

Neptune has long been depicted as a deeper, darker blue than its fellow ice giant Uranus, but a new study shows that both are a similar shade of light greenish blue.

Neptune is the fourth largest planet in the solar system, with a radius of 15,599.4 miles (24,622 kilometers) — the distance between its core and the surface.

In terms of mass, if you add up all the satellites of Neptune, Triton composes 99.5% of the mass of everything orbiting Neptune: moons, moonlets, and rings all included.

Neptune moved into its domicile in the sweet, escapist leaning, sound bath-loving water sign of Pisces in 2011, where it will remain until 2026. Since June 25, Neptune has been stationed in ...