The enigmatic allure of Neptune has long captivated astronomers and scientists alike, with recent studies suggesting the ...

The Solar System does not have a clear border. The influence of the Sun in certain domains is small enough for the Voyager ...

Planet Nine was previously suggested as a possible explanation for distant orbital clustering. It was thought to be ten times Earth’s mass, orbiting far beyond Neptune.

Astronomers propose a new hypothetical planet, Planet Y, beyond Neptune, based on observed orbital anomalies in the Kuiper ...

Alongside the planets will be a nearly-full 'sturgeon moon' that will reach peak illumination on August 9. The planet parade ...