May 28, 2025 · Our solar system has eight planets: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. There are five officially recognized dwarf planets in our solar system: Ceres, …

Dec 27, 2025 · A newly discovered exoplanet is rewriting the rules of what planets can be. Orbiting a city-sized neutron star, this Jupiter-mass world has a bizarre carbon-rich atmosphere filled with soot …

Dec 4, 2025 · The solar system has one star, eight planets, five dwarf planets, at least 290 moons, more than 1.3 million asteroids, and about 3,900 comets.

The best available theory of planet formation is the nebular hypothesis, which posits that an interstellar cloud collapses out of a nebula to create a young protostar orbited by a protoplanetary disk. Planets …

Apr 22, 2025 · Our solar system has eight planets, and five officially recognized dwarf planets. Which planet is biggest? Which is smallest? What is the order of the planets as we move out from the Sun? …

NASA’s Solar System Interactive (also known as the Orrery) is a live look at the solar system, its planets, moons, comets, and asteroids, as well as the real-time locations of dozens of NASA missions.

Dec 11, 2025 · NASA’s planetary science program explores the objects in our solar system to better understand its history and the distribution of life within.

9 hours ago · A recent photo from NASA's Curiosity rover gives an idea of what Mars would look like under skies that resemble our own on Earth. Take a look.

Explore the 3D world of the Solar System. Learn about past and future missions.

Betelgeuse and the Crab Nebula: Stellar Death and Rebirth NASA’s Perseverance Mars Rover Ready to Roll for Miles in Years Ahead NASA Study Suggests Saturn’s Moon Titan May Not Have Global …