The Synthesis of "protoplanet"

Discover Vesta, the second-largest asteroid and a surviving protoplanet. Learn how this solar system relic helps us understand how planets form.

Discover Pallas, the third-largest object in the asteroid belt. Learn why this unique protoplanet is a key target for scientific study.

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

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

Discover Pluto, the famous dwarf planet. Learn why it was reclassified and what the New Horizons mission revealed about its complex and icy world.

Discover dwarf planets, the celestial bodies like Pluto that orbit the Sun but haven't cleared their orbital path. Learn why they're a hot topic.

Discover Sedna, one of the most distant objects in our solar system. Learn why this mysterious dwarf planet's orbit hints at a hidden giant planet.

Discover Ceres, the largest object in the asteroid belt. Is this dwarf planet a hidden ocean world? Learn about NASA's Dawn mission findings.

Discover asteroids, the rocky remnants from our solar system's birth. Learn why they're trending and how they impact life on Earth.

Discover Eris, the distant dwarf planet whose discovery challenged our definition of a planet and led to Pluto's reclassification.