The discovery of the Kuiper Belt fundamentally reshaped our understanding of the solar system's architecture and population, revealing a far larger and more complex system than previously imagined.

From ocean floors and distant planets to the birth of the universe itself, this video explores the largest scientific projects ever constructed. It explains how these massive tools work, what they ...

Studying the orbits of thousands of exoplanets shows that large planets tend to have elliptical orbits, while smaller planets tend to have more circular orbits. This split coincides with several other ...