Space Facts
Explore planets, our nearest star, and the worlds beyond Earth.
17 articles
Facts About Lunar Craters
Impact origins, regolith, lava-flooded basins, polar ice, and Clavius water evidence on the Moon.
Explore the factsFacts About Solar Activity
Solar activity includes changing magnetic behavior, flares, eruptions, solar wind, and space weather effects that can reach Earth.
Explore the factsFacts About Mercury’s Surface
Mercury’s surface is cratered, cliffed, grayish-brown, thermally extreme, and may hide polar ice in permanently shadowed craters.
Explore the factsFacts About Saturn’s Rings
NASA-based facts on Saturn’s rings: origin ideas, icy particles, ring order, Cassini Division, dimensions, colors, and the Phoebe ring.
Explore the factsFacts About Mars’s Volcanoes
Key NASA-backed facts on Mars’s extinct volcanoes, Olympus Mons, and the Martian landscape that preserves volcanic features.
Explore the factsFacts About Jupiter’s Great Red Spot
Source-based guide to Jupiter’s Great Red Spot, its storm structure, clouds, winds, and Juno observations.
Explore the factsFacts About Venus’s Atmosphere
NASA-sourced facts on Venus’s extreme atmosphere: heat, pressure, sulfuric acid clouds, high winds, cloud mysteries, and magnetic effects.
Explore the factsFacts About Neptune
Neptune is a distant ice giant with powerful winds and an orbit that takes more than a human lifetime.
Explore the factsFacts About Uranus
Uranus is an ice giant whose extreme tilt gives it some of the solar system’s most unusual seasons.
Explore the factsFacts About the Moon
The Moon’s familiar face preserves a record of impacts and helps explain the rhythm of our night sky.
Explore the factsFacts About the Sun
The Sun is our nearest star and the main source of energy driving conditions at Earth’s surface.
Explore the factsFacts About Saturn
Saturn’s rings are famous, but its density, atmosphere, and rapid rotation are equally striking.
Explore the facts