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Learn how NASA's planetary science program studies the objects in our solar system to understand their history and habitability. Discover the latest missions, news, and discoveries from the Sun, planets, moons, and small bodies.
Planetary science (or more rarely, planetology) is the scientific study of planets (including Earth ), celestial bodies (such as moons, asteroids, comets) and planetary systems (in particular those of the Solar System) and the processes of their formation.
Learn about planetary science, the study of planetary processes across the solar system, from geology, physics, chemistry, biology, and computer science. Explore how different planetary bodies are similar or different to Earth, and how USGS scientists use various methods to study them.
Learn about the Sun, planets, moons, asteroids, comets, and more in our solar system. Explore missions, facts, images, and news from NASA's planetary science.
Find out the latest news and discoveries in planetary science, from Pluto to Titan to Mars. Learn about the mysteries and challenges of exploring the solar system and beyond.
Dec 23, 2021 · A recap of the year's most spectacular images, discoveries, and milestones in NASA's planetary science missions. Learn about Perseverance rover's landing on Mars, Ingenuity helicopter's flights, OSIRIS-REx's departure from Bennu, and more.
Learn about the planets and small bodies of our solar system and how they formed, evolved, and host life. Explore the inner, outer, and small bodies of the solar system with data, images, and videos from NASA missions.
