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.
Hubble launched with a flawed mirror in 1990 — how STS-61's COSTAR fix and four more servicing missions turned a humiliation into the greatest telescope in history.
Challenger 1986 and Columbia 2003: what really caused the O-ring failure and foam strike, the 14 lives lost, and how the disasters rewired NASA's safety culture.
