The first three Pioneer missions were intended to be the first ever "lunar attempts", but failed. Pioneer 4 and 5 however, were successful. 10 & 11 were the first ever vehicles to visit Jupiter. 12 & 13 observed Venus.
January 31, 1958 - March 31, 1970
First satellite sent into space by the United States. Burned up in Earths atmosphere after 58,000 + orbits.
August 20, 1975 - November 11, 1982
The first spacecraft to ever land on Mars.
1977 - 2025
First Voyager spacecraft to launch was Voyager 2. Voyager 1 launched just a few weeks later. Longest operating spacecraft EVER! Journey to Uranus & Neptune. Goal: To enter interstellar space.
October 18, 1989 - September 21, 2003
An unmanned NASA spacecraft that studied Jupiter and its moons.
December 4,1996 - July 2, 1997
A rover conducted many experiments on Mars surface.
1997 - 2012
Robotic spacecraft sent to the Saturn system. It studied the planet and its many natural satellites and observed Jupiter, the Heliosphere and tested the theory of relativity.
1999 - 2006
Mission to collect stardust.
Mars Rovers (Spirit & Opportunity)
June 10, 2003 - March 22, 2010
During the missions the rovers studied the landscape or rocks on Mars.
Space probe. Goal: to study the composition of a comet.
Experimental space habitat.
Phoenix Mars lander
May 25, 2008 - May 12, 2010
Mission scientists used instruments aboard the lander to search for environments suitable for microbial life on Mars, and researched the history of water there.
Program to build a radiation tolerant IP router for spacecrafts.
Car sized robotic rover Gale crater on Mars.
Space based X-Ray telescope that uses a Wolter telescope to focus on high energy.
Manned Projects & Missions
1958 - 1963
First human spacecraft program in the U.S. Goal: Put humans in orbit around Earth (before Soviet Union)
1960 - 1968
Third human spaceflight. Apollo 1: disaster. Apollo 8: Orbited the moon. Apollo 11: Landed on the moon. Apollo 13: Accident.
1961 - 1965
Second human spaceflight of NASA develop space techniques in order to support the Apollo mission in the future.