Are Saturn's rings 100 million or 4.5 billion years old? Cassini's 13 years of data, Enceladus plumes, Titan's methane lakes, and the biggest Saturn mysteries still open.
Cassini-Huygens: 20 years, 293 Saturn orbits, Titan's methane lakes, Enceladus's ocean plumes, and the 2017 Grand Finale plunge that redefined planetary science.
The search for extraterrestrial life in 2025: Perseverance's biosignatures on Mars, Europa Clipper's ocean hunt, Dragonfly at Titan, and Enceladus plume chemistry.
Cassini found geysers, hydrothermal vents, and phosphorus erupting from Enceladus — a 504-km moon with a global ocean that may be our best shot at alien