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

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

In a thrilling development that challenges long-held assumptions about the outer reaches of our solar system, astronomers ...

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 ...

Jupiter may have once been more than twice its current size, with a magnetic field 50 times stronger, say scientists who ...