Viking 1

1975 · NASA · Mars · Completed

Agency: NASA
Objective: The first fully successful Mars landing. Its biology package returned results that were ambiguous then and are still argued over now.
Status: Completed
End Date: 1982-11-13
Destination: Mars
Launch Date: 1975-08-20

Open on the Cosmic Exploration shelf — the interactive card, the filters, and everything alongside it.

From the Missions database in Notion, last edited 2026-08-15. This page is the row, rendered by the build; nothing on it is written by hand.