Planetary Science

The study of planets, moons, and other bodies in the solar system.

Articles with this tag: 3 Updated: May 13, 2026

Articles with this tag

Asteroid: Small rocky bodies of the Solar System

Asteroid: Small rocky bodies of the Solar System Asteroid An asteroid is a small rocky object orbiting the Sun. This article explains what asteroids are, their composition and orbits, discovery history, roles in science and hazards, and h…

Chicxulub crater A buried multiring impact basin beneath Mexico’s Yucatán Peninsula linked to the end‑Cretaceous mass extinction; its discovery, structure, evidence and ongoing research.

Colin Pillinger: British planetary scientist and Beagle 2 lead Colin Pillinger Explore the career of Colin Pillinger (1943–2014), British planetary scientist and CBE, who led the Beagle 2 Mars lander at the Open University and advanced analysis of Martian met…