Side-by-side: Roman, Hubble, JWST, and Euclid compared on mirror size, field of view, wavelength, orbit, and science goals — with a full comparison table.
Ranked by light-travel time. JADES-GS-z14-0 at z=14.32 leads — we are seeing it as it existed about 290 million years after the Big Bang. Here's the full top 10.
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.
NASA's DART deflected asteroid Dimorphos by 33 minutes — proving planetary defense works. Plus: every active asteroid mission, Apophis 2029 close approach, and notable flybys.
