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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 Mercury, 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 toward a 2015 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

Tonight I Glimpsed LightSail

Posted by Bill Nye on 2015/06/14 03:05 CDT | 6 comments

Tonight, for the first time, I glimpsed our spacecraft with my own eyes. It was just the faintest pinprick against the bright lights of the big city. But, there it was right on time and exactly per the coordinates.

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In Pictures: LightSail’s Final Days in Space

Posted by Jason Davis on 2015/06/12 03:30 CDT | 7 comments

LightSail’s brief stay in orbit is almost over. Here are a few photos and videos of the spacecraft from observers around the world.

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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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Pictures of Spacecraft

Space mission artwork, snapshots of construction, launches, and photos of spacecraft in space

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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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