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

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.

A passing star, or a stellar flyby, with the potential to pull Neptune out of its orbit by just 0.1%, could mean catastrophe for the entire solar system. But don’t worry — it won’t happen in ...

Neptune’s cloud cover has been known to ebb and flow. But since October 2019, only one patch of wispy white has been present, drifting around the planet’s south pole.

When Voyager reached Neptune, it uncovered a world of raging storms, hidden patterns, and mysteries that still puzzle ...

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.