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Explore the Saturn System with Cassini-Huygens

	Exploration Timeline From prehistory to now -- explore through time. more»

	To the Moon! International Lunar Decade - a great time for exploration. more»

Take a journey through space. Visit the planets, moons, asteroids, and comets that wander our planetary neighborhood and learn about the spacecraft that send us information and images about our solar system. Then, look beyond — explore newly-discovered planets orbiting other stars and search for life beyond Earth.

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Recent Additions

Weekly Planetary Radio Trivia Contest

Each Monday, Planetary Radio asks listeners a question. Listeners must send in their answers to planetaryradio@planetary.org by the following Monday. The winner will be chosen by a random drawing from among all the correct entries received. This week's prize is a Planetary Radio T-Shirt and a...

Missions to the Moon

Read a recent addition to our Moon topic section.

Chandrayaan-1 Facts

Read a recent addition to our Chandrayaan-1 topic section.

Chandrayaan-1

Chandrayaan-1 has reached the Moon! It launched on October 22 at 00:52 UTC, and arrived on November 8 at 11:21 UTC. Visit The Planetary Society Blog for the latest news. The coming era in space exploration is proving to be one with increased interest in the Moon, with missions from ESA, China,...