Tag:New Horizons

Ranked by peak heliocentric speed. Parker Solar Probe holds the record at ~191 km/s — fastest object humans have ever built. 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.