A look at key moments from six decades of NASA leading the peaceful exploration of space, making discoveries about our planet, our solar system, and the universe.

July 29 1958: President Eisenhower signed the act creating NASA. We opened for business on Oct. 1, 1958

Oct 11, 1958: Pioneer 1 launches as our first spacecraft. It sent 43 mins of data before a mechanical problem ended it

April 9 ,1959: We introduce the first American astronauts, the Mercury 7, who were all experienced military test pilots

April 1, 1960: We launch TIROS 1, the first weather satellite & the first TV image from space. It operated for 78 days

Aug. 12, 1960: ECHO 1 launches as the first communications satellite, reflecting radio signals sent to it back at Earth

May 5, 1961: Alan Shepard becomes the first American in space, making a 15-minute suborbital flight

May 25, 1961: President Kennedy announces the audacious goal of landing a man on the Moon before the end of the decade

Feb 20, 1962: Astronaut John Glenn was the first American to orbit Earth, making three laps in just under five hours

July 10, 1962: We launch the first active communications satellite Telstar I, also the first launched for a private company

Dec 14, 1962: Mariner 2 flies past the planet Venus in the first space mission to study another planet at close range

April 6, 1965: We launch Intelsat 1 for COMSAT, the first communications satellite placed in a geosynchronous orbit

June 3, 1965: Ed White becomes the first American to take a spacewalk

Jan 27, 1967: A fire on the launch pad tragically kills the first Apollo crew: Gus Grissom, Ed White and Roger Chaffee

Oct 24, 1968: Last flight of the X-15, which set speed and altitude records of 4,520 mph (Mach 6.7) and 354,200 feet

Dec 24, 1968: The crew of Apollo 8 are the first humans to see the Earth from lunar orbit & capture the Earthrise photo

July 20, 1969: Neil Armstrong and Buzz Aldrin become the first humans to walk on another celestial body -- the Moon

April 13, 1970: Apollo 13's "successful failure" begins with an explosion in the service module of the spacecraft

Mar 9, 1971: First flight test of the supercritical wing designed to allow planes smoother travel close to speed of sound

Nov 13, 1971: Mariner 9 reaches Mars and becomes the first spacecraft to orbit another planet

May 25, 1972: First flight of Digital-Fly-By-Wire aircraft, which controlled flight surfaces by computer instead by cables

July 23, 1972: Landsat 1 launched, starting 40+ years of continuous observations of Earth's land, oceans & atmosphere

Dec 7, 1972: The Apollo 17 crew takes a picture of the Earth on their way to the Moon: the "Blue Marble"

May 14, 1973: Skylab launches, the first U.S. space station

July 17, 1975: Docking of the U.S. Apollo & Soviet Soyuz capsules, the first joint mission between Americans & Russians

July 20, 1967: Viking 1 lands on Mars, beginning NASA’s 40 years of exploration of the Red Planet

Jan 16, 1978: We announce the selection of 35 new astronauts, including the first women and African-Americans

April 12, 1981: Liftoff of STS-1, the first orbital flight of the Space Shuttle, our reusable space vehicle

June 13, 1983: Pioneer 10 becomes the first spacecraft to travel beyond the orbits of the known planets

June 18, 1983: Sally Ride becomes the first American woman in space

Aug 30, 1983: Guy Bluford becomes the first African-American in space

April 6, 1984: The crew of space shuttle mission STS-41-C makes the first on-orbit satellite repair, fixing Solar Max

Jan 28, 1986: The crew of the space shuttle Challenger, including teacher Christa McAuliffe, is lost shortly after launch

Nov 18, 1989: Launch of the Cosmic Background Explorer, which measured the background radiation of the universe

April 25, 1990: The Hubble Space Telescope is deployed, fundamentally changing how we view the cosmos

Dec 16, 1992: The United States and Russia agree to expand their cooperation in human spaceflight

Nov 17, 1993: The U.S., Russia, Japan, Europe and Canada announce they'll build the International Space Station

Nov 28, 1995: First autoland by transport aircraft with thrust-only control

Aug 6, 1998: Pathfinder-Plus solar-powered aircraft flies to record altitude of 80,201 feet

Oct 29, 1998: John Glenn returns to space on the space shuttle during the STS-95 mission

May 29, 1999: The space shuttle docks to the International Space Station for the first time during the STS-96 mission

July 23, 1999: Eileen Collins launches on STS-93 as the first woman to command a space shuttle flight

Nov 2, 2000: The permanent presence of humanity in space aboard the International Space Station with the Expedition 1 crew

Feb 1, 2003: Space Shuttle Columbia is lost with its crew of seven during re-entry

Feb 11, 2003: "WMAP" baby picture of the universe is released that revolutionizes our understanding of the universe

Nov. 16, 2004: The X-43A sets Mach 9.6 speed record

Jan 14, 2005: ESA's Huygens probe, which traveled to Saturn with our Cassini spacecraft, lands on Titan

Jan 15, 2006: Stardust mission returns to Earth to samples of Comet Wild-2

Jan 22, 2010: Aboard the International Space Station, astronaut T.J. Creamer sends the first unassisted Tweet from space

Aug 25, 2012: Voyager 1 becomes the first spacecraft to reach interstellar space

Oct 7, 2012: The first commercial resupply mission launches to the International Space Station

Dec 5, 2014: Orion capsule completes its first spaceflight test during Exploration Flight Test-1

July 9, 2015: Four astronauts named to the first commercial crew flights launching on American rockets from American soil

July 14, 2015: New Horizons flies by Pluto, sending back the first close up views of the dwarf planet

Nov 24, 2015: Katherine Johnson presented Presidential Medal of Freedom for the work of she and other female "computers"

July 4, 2016: Juno reaches orbit around Jupiter

Aug 21, 2017: A total solar eclipse is visible across the United States, becoming the biggest online event in our history

Sept 2, 2017: Peggy Whitson returns from space as the new U.S. record holder for space flight, with 665 days in space

Oct 14, 2017: Oumuamua, first known interstellar object, makes closest approach to Earth

Jan 4, 2018: Recovery of Antarctic ozone hole confirmed due to Montreal Protocol

What's Next? We'll continue the story of human exploration, technology and science. Learn more at: http://www.nasa.gov/60