March 21 in Universe History: Space Missions, Satellites and Exploration
March 21, 2026
Explore universe-related events that happened on March 21, including space missions, observatories, launch systems, satellites, planetary science, and orbital operations.
All names in this article
Alphonsus
Arianespace
ASI
AsiaSat 3S
Atlas-Agena
AVUM
Baikonur
BOLT-2
BurstCube
Cape Canaveral
Cassini
CRS-30
Dragon
Drew Feustel
Europe’s Spaceport
Expedition 1
Expedition 55
Falcon 9
French Guiana
High Energy Solar Spectroscopic Imager
Imaging Science Subsystem
Ingenuity
International Launch Services
JPL
Kennedy
L4 Lagrange point
Leonardo
Marina Vasilevskaya
Mars 1
MDIS
Mercury
MESSENGER
Mid-Atlantic Regional Spaceport
NASA Planetary Data System
National Reconnaissance Office
NROL-123
Oleg Artemyev
Oleg Novitskiy
OneWeb
PDS4 Standards Reference
Perseverance
PRISMA
Proton
Ranger 9
Ricky Arnold
Rocket Lab Electron
Saturn
Soyuz Flight ST28
Soyuz MS-08
SpaceX
SPICE
Starsem
Terrier-Improved Malemute
Titan
Tracy Dyson
Vega
Wallops
Wallops Island
Asia
Europe
Russia
Air Force Research Laboratory
Earth
Io
Mars
Moon
Sun
International Space Station
Space Shuttle Discovery
STS-102