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Welcome to the Colorado Scientific Society
The oldest scientific society in the Rocky Mountain region

Founded in 1882, the Colorado Scientific Society promotes knowledge, the understanding of science, and its application to human needs, focusing primarily on earth science, but welcoming members with interests in all fields of science.


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Shepherd of the Hills
Presbyterian Church
20th Ave. at Simms St., Lakewood

Map to the church

Read about the history of the Society from its founder and first president S. F. Emmons in 1882 until today.  read more

Come along on our fieldtrips or read about past and virtual fieldtrips here. read  more


Educational links for the teacher and student can be found here.  read more

Upcoming Talks/Fieldtrips


Thursday, Feb. 18, 7:00 p.m.
Colorado Scientific Society

Dr. John Spencer
Southwest Research Institute, Boulder

"The Weird and Wonderful Geology of Pluto and its Moons"

JPL, January 2008, courtesy Tilmann Denk.

In July 2015, the New Horizons mission gave us our first detailed view of the Pluto system after a 9.5 year journey from Earth. New Horizons revealed that Pluto's geology is complex and remarkably diverse. Ancient cratered and fractured terrain is interrupted by much younger features that may be active to the present day, including rugged ice mountains, a vast plain of volatile ice, and other features that defy explanation. Pluto's big moon Charon also has a geologically varied surface, and its four small moons have surprises of their own. The talk will describe the mission, what we've learned, and the spacecraft's continuing journey into the Kuiper Belt.

John Spencer is an Institute Scientist at the Southwest Research Institute in Boulder. He obtained a BA in Geology from the University of Cambridge in 1978, and a PhD in Planetary Sciences at the University of Arizona in 1987. He then worked at the University of Hawaii and Lowell Observatory in Arizona, before joining Southwest Research Institute in 2004. His primary interest is in the moons and other small bodies of the outer solar system. he has served on the science teams of the Galileo Jupiter Orbiter and Cassini Saturn Orbiter, and is deputy leader of the geology and geophysics team on the New Horizons Pluto mission.


February 18, 2016

Social Half Hour at 6:30, meeting at 7:00

All are welcome!  If you are not now a Sci Soc member,
this is a great evening to come, get acquainted, and join!

 Meeting Location:

Shepherd of the Hills Presbyterian Church
11500 W. 20th Ave.

Read the February 2016 Newsletter

Publications & Such 

Minutes of the Colorado Scientific Society
The minutes for the meetings from 1893 - 1904   

Hall of Presidents
Pictures of the presidents from Emmons in 1882 to the present (a work in progress)

CSS Newsletter  Published monthly from September through May.  Read abstracts of presented papers, upcoming fieldtrips, announcements, and more.  Archive issues from 1995.

CSS Proceedings

CSS Special Publications

CSS Research Grants

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Questions or comments? E-mail us at info@coloscisoc.org                                                                                                                                       ©Colorado Scientific Society 1997-2009