![An illustration of the Sun and planets](https://science.nasa.gov/wp-content/uploads/2023/06/solar-system-illustration-1920x640-2.jpg?w=1536)
Solar System Exploration
Join us as we explore our solar system.
Planets
Dwarf Planets
10 THINGS about our solar system
Solar System Facts
Our solar system includes the Sun, eight planets, five officially named dwarf planets, hundreds of moons, and thousands of asteroids and comets.
Get the Facts![Illustration of the Solar System.](https://science.nasa.gov/wp-content/uploads/2023/10/edu-solar-system-large.png?w=1024)
About the Planets
Learn about the inner planets, the outer planets, and the dwarf planets.
Explore the Planets![Illustration showing the planets stacked in rows.](https://science.nasa.gov/wp-content/uploads/2023/06/planets3x3-pluto-colormercury-axis-tilt-nolabels-1080p.00001-print.jpg?w=1024)
Moons in Our Solar System
Our solar system has hundreds of moons, and they come in many shapes and sizes.
Explore Moons![](https://assets.science.nasa.gov/dynamicimage/assets/science/psd/solar/2023/07/51_cassini20141016-full.jpg?w=1600&h=900&fit=clip&crop=faces%2Cfocalpoint)
What You Need To Know About the March 2025 Total Lunar Eclipse
The Moon will pass into Earth’s shadow and appear to turn red on the night of March 13 or early…
Read the Story![](https://assets.science.nasa.gov/dynamicimage/assets/science/psd/earths-moon/lunar-science/lunar-eclipse-march-2025-telescopic.jpg?w=1024&h=576&fit=clip&crop=faces%2Cfocalpoint)
More Skywatching Tips
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What's Up: A Month of Bright Planets
Venus blazes at its brightest for the year after sunset, then Mars and Jupiter to rule the night amid the menagerie of bright winter stars.
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Detailed Daily Guide
Learn about the next full Moon, meteor showers, comets, and other skywatching events.
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Skywatching Hub
Get tips for photographing the Moon, guides, activities, and videos for skywatchers.
![](https://science.nasa.gov/wp-content/uploads/2023/09/perseids-2024-composite-credit-nasa-preston-dyches-cc-by-nc-2-0.jpg)
NEO Surveyor Completes Critical Design Review
A review board determined the mission meets all technical performance measures and requirements. The project will now move forward to construction and testing.
Learn More![](https://assets.science.nasa.gov/dynamicimage/assets/science/missions/neo-surveyor/Mission_NEO_Surveyor-16x9.jpg?w=2159&h=1215&fit=clip&crop=faces%2Cfocalpoint)
Featured Missions
![A spacecraft hovers over a reddish striped moon with planet Jupiter in the background.](https://science.nasa.gov/wp-content/uploads/2024/05/europa-clipper-16x9-1.jpg?w=1024)
Europa Clipper
Europa Clipper launched Oct. 14, 2024, to conduct a detailed investigation of Jupiter's moon Europa.
![This artist's-concept illustration depicts the spacecraft of NASA's Psyche mission near the mission's target, the metal asteroid Psyche.](https://science.nasa.gov/wp-content/uploads/2023/10/pia21499-20170523.jpg?w=1024)
![NASA's NEO Surveyor is seen in this illustration against an infrared observation of a starfield made by the agency's WISE mission.](https://images-assets.nasa.gov/image/PIA25253/PIA25253~large.jpg?w=1920&h=1143&fit=clip&crop=faces%2Cfocalpoint)
NEO Surveyor
NEO Surveyor will hunt asteroids and comets that are potential hazards to Earth. Launch is no earlier than 2028.
![A gray spacecraft is illustrated over Venus with one of its instruments scanning the planet below.](https://assets.science.nasa.gov/dynamicimage/assets/science/psd/solar/internal_resources/5537/VERITAS_instrument-1280-gradient-2.jpg?w=1280&h=720&fit=clip&crop=faces%2Cfocalpoint)
VERITAS
VERITAS and DAVINCI will be the first NASA spacecraft to explore Venus since the 1990s. VERITAS will launch no earlier than 2031.
Featured Stories
Featured Resources
Explore curated collections of resources, including activities that can be done at home, as well as videos, animations, handouts, and online interactives.