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Space Missions

Our Emissaries Across the Solar System

Since 1957, humanity has launched thousands of spacecraft. These robotic emissaries follow in the footsteps of their predecessors—testaments to our long-lived desire to understand our place in the Cosmos. 

There are currently spacecraft exploring Venus, Mars, and Saturn, as well as a comet and an asteroid. The Voyager spacecraft are hurtling out of our solar system, while New Horizons speeds out into the Kuiper Belt after its encounter with Pluto. Closer to home, we have probes in lunar orbit, a handful of solar physics missions, space telescopes, and a small army of Earth-observing satellites. In Earth orbit, the International Space Station continues to soar around the planet with a continually staffed crew of astronauts and cosmonauts. 

Our space missions pages are your portal to news and facts about our ongoing exploration of the solar system. 

Recent Mission Status Updates

Follow along: SpaceX CRS-8 launch and landing

Posted by Jason Davis on 2016/04/08 11:56 CDT

Follow along with The Planetary Society as SpaceX launches a Dragon spacecraft to the ISS and attempts to land a used booster rocket on a drone ship in the ocean. Liftoff is scheduled for 4:43 p.m. EDT (20:43 UTC).

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What's up in solar system exploration: April 2016 edition

Posted by Emily Lakdawalla on 2016/04/04 10:58 CDT | 2 comments

This month (actually, today), Cassini had a relatively close flyby of Titan, and New Horizons will observe a very distant Kuiper belt object named 1994 JR1. Akatsuki has just fine-tuned its orbit around Venus, and Hayabusa2 has begun an 800-hour ion engine thrusting phase to steer it toward near-Earth asteroid Ryugu.

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Space Mission Timelines

Missions to Venus and Mercury

A list of key dates and basic facts on all the missions that have explored Venus and Mercury.

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Missions to Mars

The missions, both successful and failed, that have flown by, orbited, or landed on the Red Planet and its moons

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Missions beyond Mars

The spacecraft that have traveled to asteroids, outer planets, comets, and beyond

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Missions to the Moon

A timeline of missions to the Moon

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Cassini’s Tour of the Saturn System

13 years, 250 orbits, and 127 gravity-assist flybys – explore the Saturn system with NASA's Cassini mission.

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Missions to study the Sun

Spacecraft that study our dynamic Sun and help us understand how it affects our planet.

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