On the Cover: In the realm of space exploration, we citizens of Earth have made an astonishing amount of progress in the last 35 years. Our visit to Pluto and Charon is a testament to the power of vision and focused, hard work in reaching ambitious goals. Our cover image is a colorized, infrared layer from the now famous, enhanced-color, high-resolution global view of Pluto captured by New Horizons on July 14, 2015. To read more about how the image was created, go to <a href="/multimedia/space-images/small-bodies/Pluto-in-Colorized-Infrared.html">planet.ly/colorpluto</a>.
14 From the Archives: Donna Stevens shares a few photographs of our founders from the Society's early days.
18 Humans Orbiting Mars Casey Dreier looks at a realistic plan.
20 Drilling and Imaging Updates: Bruce Betts updates us on the Planetary Deep Drill and Mastcam-Z.
2 Snapshots from Space The landscape of a comet.
4 Your Place in Space Bill Nye celebrates our past and looks toward our future.
13 Q&A Space telescopes vs. planetary probes.
13 Volunteer Spotlight Kate Howells talks about the power of a cool view.
16 Members' Dialogue Reader responses to the Society's Humans On Mars paper.
19 Factinos New evidence for water on Mars.
21 What's Up? Pre-dawn planets and Geminid meteor shower.
23 Happening on Planetary Radio Mat Kaplan talks to the scientists and engineers that make exploration happen.
23 On Planetary.org