The Synthesis of "planet earth"

Discover Earth, the third planet from the Sun and the only astronomical object known to harbor life. Learn what makes our vibrant world so unique.

Discover super-earths, exoplanets larger than our world but smaller than Neptune. Learn why these planets are key in the search for alien life.

Discover Venus, Earth's sister planet. Learn why this world of extreme heat and pressure captivates scientists and fuels new space missions.

Discover Earth's magnetosphere, the invisible magnetic shield that protects us from solar wind and cosmic radiation, creating the beautiful auroras.

Discover Mars, the fourth planet from the Sun. Learn why this dusty, cold world is a major focus for space exploration and the search for alien life.

Discover Titan, Saturn's largest moon. With a thick atmosphere and liquid lakes, it's a prime target in the search for life beyond Earth.

Discover our cosmic neighborhood! A simple guide to the Sun, the eight planets, and the celestial bodies that make up our amazing solar system.

What defines a planet? Explore the official definition, why Pluto was reclassified, and the exciting search for new worlds beyond our solar system.

Discover the massive planets known as gas giants. Learn about Jupiter, Saturn, and what makes these celestial bodies unique in our solar system.

Discover NASA's Kepler Space Telescope, the revolutionary planet-hunter that transformed our understanding of exoplanets and distant solar systems.