Ranked by years of continuous operation. Voyager 2 leads at 48+ years and counting. Here's the full top 10 — including the rovers, orbiters, and probes that wildly outlived their warranty.
Ranked by inflation-adjusted total program cost in 2025 USD. Apollo leads at ~$280B, Space Shuttle is second, ISS third. Here's the full top 10 — and what's program vs. mission cost.
Ranked by peak sea-level thrust and payload to LEO. SpaceX's Super Heavy now leads the list — the Saturn V is second. Here's the full top 10 with sources.