Geoff Collins portrait

Geoffrey Collins

Planetary Scientist, Wheaton College

Latest Planetary Radio Appearances

Galileo at 30: How a mission transformed our understanding of Jupiter

Thirty years after NASA’s Galileo spacecraft became the first to orbit Jupiter, scientists and engineers gathered to reflect on the mission that transformed how we see the giant planet and its moons.

A Sea Under the South Pole of Enceladus?

A Sea Under the South Pole of Enceladus?