About us
If you don't believe in supernatural entities or powers, if you are concerned about religious intolerance or religiously motivated violence, if you rely on human reasoning and science to guide your decisions and behavior, if you have a naturalistic view of the world, or you just don't believe in God or gods, you are not alone. The Boulder Atheists group provides presentations, meetings, and serves as a social community for atheists, agnostics, rationalists, secular humanists, Brights, and free thinkers in and around Boulder, Longmont, Lafayette, Broomfield, and surrounding communities in Northern Colorado.
Boulder Atheists wish to promote the understanding and acceptance of atheism with public education, good deeds, public activities and affiliations with other local and national secular groups. We strive to be inclusive to ALL and promote gender equality, LGBTQ equality and racial justice.
BA is a non-profit 501 (c) (3) Nonprofit Corporation and relies on membership dues to support the infrastructure required for these events. Please consider becoming a paid member to BA after attending 3 events. Paid annual membership starts at only $35. You can join at boulderatheists.org.
We are dedicated to providing a safe, inclusive, welcoming, and harassment-free space and experience for all community participants. Comments on the Meetup events should be constrained to the event logistics, ride sharing, etc. Comments and behavior at events should be kind and considerate towards event hosts, attendees, and the Boulder Atheists board members. If you have concerns about event management within our Meetup group please inform the BA board through the "Contact Us" tab on the boulderatheists.org website. Failure to comply with these requirements could result in removal from the Boulder Atheists Meetup group.
Please visit our official website at www.boulderatheists.org for additional information and links.
Note: Since not all of our community members use Meetup, the attendance numbers listed here may not reflect the total number of people attending the events.
Upcoming events
7

Monthly Presentation: A Critical Look at UFOs & Extraordinary Claims
Boulder Public Library - Main Library, 1001 Arapahoe Ave, Boulder, CO, USCoffee and snacks will be provided. The talk will begin at 12:15.
We'll be in the Boulder Creek Room, downstairs to the left of the elevator.
Aerospace Engineers Aric Vyhmeister & Ron Havermann Present:
A Critical Look at UFOs & Extraordinary ClaimsTheir talk will cover the claims from Pentagon "whistleblowers", recent UFO footage, the interstellar comet 3I/ATLAS, and the importance of open-mindedness tempered by critical inquiry.
Aric Vyhmeister is the director of Standley Lake Stargazing which is a science outreach group committed to spreading wonder. It is based in Arvada and it offers year round science programming and star parties for the public. Mr. Vyhmeister holds undergraduate degrees in Physics and Mechanical Engineering in addition to a Master's in Piano Performance, and has worked for Lockheed Martin Space Systems Company on various programs including NASA's Orion and NOAA's GOES satellites. An avid amateur astronomer with 20 years of experience, he has been leading community stargazing events and science education programs in the Denver area since 2017 through Standley Lake Stargazing and also regularly partnering with the Jefferson County Public Library system, Standley Lake Regional Park, Majestic View Nature Center, Boulder Atheists, the Secular Hub, and the Broomfield Council on the Arts and Humanities. Visit www.standleylakestargazing.com for more ways to see the night sky!
Ron Havermann is a lifelong student of physics. He earned his keep for 28 years in the aerospace industry, proposing, designing and developing electro-optic space sensors for a variety of needs and customers, including NASA. He enjoys sharing his sense of scientific awe and delight with other curious and questioning fellow travelers on spaceship earth. He would also like to extend an invitation for friendly dialog with questing intelligences beyond this planet, if it is not too inconvenient for them.
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- Boulder Atheists (BA) is a non-profit 501 (c) (3) Nonprofit Corporation and relies on membership dues to support the infrastructure needed for our many events.
- Please consider becoming a paid member to BA. Paid annual membership starts at only $35. Join Here
- We are dedicated to providing a safe, inclusive, welcoming, and harassment-free experience for all community participants.
- Comments on the Meetup events should be constrained to the event logistics, ride sharing, etc.
- Comments and behavior at events should be kind and considerate towards event hosts, attendees, and the Boulder Atheists board members.
- Failure to comply with these guidelines may result in removal from the Boulder Atheists Meetup group.
- If you have suggestions or concerns, please contact us here: https://www.boulderatheists.org/contact
8 attendees
Longmont Senior Center: Ecology of Disease Resistant Pathogens
Longmont Senior Center, LONGMONT SENIOR CENTER 910 Longs Peak Avenue, Longmont, Longmont, CO, USDr. Michael Grant will present: The Ecology of Disease Resistant Pathogens
The scientific community argues that the development of Anti-Microbial Resistant strains of bacteria represents a severe, immediate danger to the human population. In this talk, we will show how resistant strains develop according to Darwinian principles and will provide examples of those pathogens. We will also examine strategies to reduce the risk, both personal and environmentally, including several counter-intuitive common practices.
This event is for seniors only. Please register with to attend through the Longmont Senior Center.
- Register online here.
- Registration #184002-03
- Fee: $3 resident / $4 non-resident
Dr. Michael Grant is a Professor and Vice Provost, Emeritus, from the University of Colorado Boulder where he worked for 43 years in the Dept. of Ecology and Evolutionary Biology. His primary field of research was ecological genetics and data analysis. Dr. Grant is also a board member of Boulder Atheists.
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- Boulder Atheists (BA) is a non-profit 501 (c) (3) Nonprofit Corporation and relies on membership dues to support the infrastructure needed for our many events.
- Please consider becoming a paid member to BA. Paid annual membership starts at only $35. Join Here
- We are dedicated to providing a safe, inclusive, welcoming, and harassment-free experience for all community participants.
- Comments on the Meetup events should be constrained to the event logistics, ride sharing, etc.
- Comments and behavior at events should be kind and considerate towards event hosts, attendees, and the Boulder Atheists board members.
- Failure to comply with these guidelines may result in removal from the Boulder Atheists Meetup group.
- If you have suggestions or concerns, please contact us here: https://www.boulderatheists.org/contact
2 attendees
Longmont Dinner - Red Cedar Bistro
Red Cedar Bistro, 516 Main Street, Longmont, CO, USJoin us for dinner at this excellent Tri-Regional Mediterranean restaurant in downtown Longmont. Here's the menu.
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- Boulder Atheists (BA) is a non-profit 501 (c) (3) Nonprofit Corporation and relies on membership dues to support the infrastructure needed for our many events.
- Please consider becoming a paid member to BA. Paid annual membership starts at only $35. Join Here
- We are dedicated to providing a safe, inclusive, welcoming, and harassment-free experience for all community participants.
- Comments on the Meetup events should be constrained to the event logistics, ride sharing, etc.
- Comments and behavior at events should be kind and considerate towards event hosts, attendees, and the Boulder Atheists board members.
- Failure to comply with these guidelines may result in removal from the Boulder Atheists Meetup group.
- If you have suggestions or concerns, please contact us here: https://www.boulderatheists.org/contact
2 attendees
Boulder Lunch - El Rincón del Sol
Rincon del Sol, 2350 Arapahoe Avenue, Boulder, CO, USJoin us for lunch at El Rincón Cocina y Tequila (aka (El Rincón del Sol). This Mexican restaurant is located on the SW corner of Arapahoe and Folsom.
The menu is here:
El Rincon Cocina y Tequila - Food Menu
.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-- Boulder Atheists (BA) is a non-profit 501 (c) (3) Nonprofit Corporation and relies on membership dues to support the infrastructure needed for our many events.
- Please consider becoming a paid member to BA. Paid annual membership starts at only $35. Join Here
- We are dedicated to providing a safe, inclusive, welcoming, and harassment-free experience for all community participants.
- Comments on the Meetup events should be constrained to the event logistics, ride sharing, etc.
- Comments and behavior at events should be kind and considerate towards event hosts, attendees, and the Boulder Atheists board members.
- Failure to comply with these guidelines may result in removal from the Boulder Atheists Meetup group.
- If you have suggestions or concerns, please contact us here: https://www.boulderatheists.org/contact
2 attendees
Past events
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