Dwarf Planet Ceres Discovered by Giuseppe Piazzi

Stardust Spacecraft Encounters Comet Wild-2

Spirit lands in Gusev Crater

Sputnik Burns Up Upon Reentry

President Nixon Announces Decision to Develop the Space Shuttle

Lunar Prospector Launches to the Moon

Galileo Galilei First Observed the Moons of Jupiter

ULA launches Vulcan on Maiden Flight

NASA Announces the Prime Crew of Apollo 11

Surveyor 7 Lands on the Moon

Lunar Prospector Reaches the Moon

Deep Impact Launches on Mission to Temple 1

Susan Helms, America's First Female Astronaut, Sent to Space

Huygens Probe Lands on Titan

Stardust Probe Return Capsule Returned to Earth

Shuttle Columbia Sustains Damage to Left Wing Upon Launch

Clyde Tombaugh, Who Discovered Pluto, Passes Away

Axiom 3 Mission Sends First All-European Crew to ISS

Gemini II Launches from Cape Kennedy

Buzz Aldrin Was Born On This Day

Little Joe-1B Launched With Rhesus Monkey Miss Sam

Apollo 5, the First Uncrewed Flight Test of the Apollo Lunar Lander, Launches

NASA Day of Rememberance Honors Crews of Apollo 1, STS-51L and STS-107

Opportunity Rover Lands On Mars

NASA Begins Era of "Faster, Better, Cheaper" with Launch of Lunar Mapping Spacecraft "Clementine"

International Ultraviolet Explorer (IEU) Space Telescope Launches

Crew of Apollo 1 Perishes in Fire During Plugs Out Test

Crew of STS-51-L Perishes When Shuttle Columbia Explodes 73 Seconds After Launch

First Launch of Saturn I Block II

Final Launch of South Korean Rocket Naro-1

Apollo 14 Launches

Space Shuttle Columbia Breaks Apart During Reentry

Starship SN9 Launches to 10 km and Fails to Land

STS-63, the First Shuttle Flight with a Female Pilot, Launches First Mission to Rendezvous with Mir Space Station

NASA Releases Hubble Images of Bullseye Galaxy

Apollo 14 Lands in Frau Mauro highlands on the Moon

Maiden Flight of Titan I

Astronaut Bruce McCandless II Performs First Untethered Spacewalk with MMU

Shuttle Endeavour Launches to Deliver Tranquility and Cupola Modules to ISS

Apollo 14 Splashes Down in the Pacific Ocean

Galileo Spacfecraft Performs Venus Gravity Assist En Route to Jupiter

Shuttle Challenger Becomes First Shuttle to Land at Kennedy Space Center

Near Earth Asteroid Rendezvous (NEAR) Shoemaker Becomes First Spacecaft to Land on an Asteroid

Cassini Captures Image of Saturn's Moon Mimas

Voyager 1 captures "Pale Blue Dot" Image

Final Launch of Ariane 4

Explorer 9 Placed into Orbit by Scout Booster - the First Solid-Fuel Rocket to Launch a Satellite

Near Earth Asteroid Rendezvous (NEAR) Shoemaker Launches

Perseverance Rover Lands in Jezero Crater on Mars

Space Station Mir Core Module Launched Aboard Proton-K

John Glenn Launched on Friendship 7 Mission to Become First American in Orbit

Maiden Launch of Soviet N1 Rocket

Final Launch of Ariane 1

Pioneer 11 Crosses Neptune's Orbit, Exiting the Solar System

Mariner 6 Launched on Mars Flyby Mission

Luna-20 Returns Core Samples From the Moon's Sea of Fertility

Maiden Flight of Saturn IB

Samuel Langley, for Whom the NASA Langley Research Center is Named, Passes Away

New Horizons Photographs 200-Mile-High Plume Erupting from Io's Tvashtar Volcano

Jack Lousma, Skylab Crew Member and Space Shuttle Commander, born

Space Shuttle Columbia Launches on its Final Successful Mission on STS-109

SpaceX Launches Uncrewed Demo-1 Mission

Pioneer 4 Launches Aboard Juno II to Become the First Probe to Leave Earth's Sphere of Influence

Voyager 1 Takes a Picture Showing the First Evidence of a Ring Around Jupiter

Voyager 1 Makes its Closest Approach to Jupiter

Final Launch of the Titan IIIC

Inaugural Launch of the H3 Rocket

SpaceX Demo-1 Crew Dragon Safely Splashes Down

Space Shuttle Discovery Lands at Kennedy Space Center After Completing its 39th and Final Mission

Kuiper Airborne Observatory Discovers Rings Around Uranus

Pioneer 5 Launches to Study Interplanetary Space Between Earth and Venus

Magnetospheric Multiscale Mission Launches

Apollo 9 Command Module "Gumdrop" Splashes Down

SpaceX was founded

Hubble Data Confirms Existence of Salty Ocean Beneath Ganymede's Crust

Gemini VIII Launches with Neil Armstrong and Dave Scott

Vanguard 1, the Oldest Satellite Still Orbiting Earth, Successfully Launches

Aleksei Leonov Becomes the First Human to Perform a Spacewalk

Mars Global Surveyor Begins its Primary Mission

Albert Einstein Publishes His General Theory of Relativity

Ulysses, Mars Orbiter and Galileo Spacecraft Begin Joint Experiment to Detect Gravity Waves

Shuttle Columbia Launches on STS-3 to become the Only Shuttle Mission to Land in White Sands, NM

Gemini III, First Crewed Mission of the Gemini Program, Launches

Falcon 1 Launched for the First Time

Christian Huygens Discovers Saturn's Largest Moon Titan

The US Launches its Third Satellite, Explorer 3, Which Helped Discovered the Van Allen Radiation Belts,

Cassini Spacecraft Performs 74km Flyby of Enceladus to Sample Plumes

Saturn I SA-4 Launches and Successfully Tests Fuel Rerouting After Intentional Engine Shutdown

Mariner 10 Performs the First Mercury Flyby

Shuttle Columbia Conludes its Mission, Becoming the Only Shuttle to Land in White Sands, NM

Pioneer 10 Concludes its Scientific Mission, 25 Years After Launch,

Shuttle Challenger Launches on its Maiden Flight for STS-6

Pioneer 11, the First Probe to Encounter Saturn, Launched Aboard an Atlas Centaur

Story Musgrave and Don Peterson Perform the First Spacewalk of the Shuttle Era

The Uncrewed Gemini I Mission Launches atop a Titan II Rocket

NASA Announces the Mercy 7 Astronauts