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

Astronomers may be close to identifying a mysterious object in our solar system. New research points to a potential candidate ...

Astronomers have identified a new trans-Neptunian object, 2017 OF201, located far beyond Pluto. Its enormous size, comparable to dwarf planets, and hi ...

For decades, our solar system was thought to have nine planets, with Pluto considered the smallest and farthest. But in 2006, ...

Hunting for the building blocks of life? Located in the asteroid belt, Ceres is likely a good bet, study finds ...

A groundbreaking discovery confirmed by NASA surrounding a young star offers new insights into planet formation and the role ...

Scientists have discovered a mysterious new object far beyond Neptune, and it could be one of the most distant dwarf planets ...

Webb’s powerful instruments have detected crystalline water ice in a distant star system, offering rare insight into planet ...

Sky News delivers breaking news, headlines and top stories from business, politics, entertainment and more in the UK and worldwide.