Ffreethought
Penn Jillette
More than 1/2 (by weight) of Penn & Teller at the Rio in Vegas, Penn's Sunday School Podcast, P&T Tell a Lie on Discovery, P&T: Fool Us! on ITV.God, No! - book1,793,525 followers | Follow
Adam Savage
I play a scientist on TV. Obsessive maker of things. Host of Mythbusters on the Discovery Channel.675,231 followers | Follow
Jesus Christ
You know who I am. If not, google me bitches. jmchrist2012@yahoo.com (for the boobs)477,627 followers | Follow
Warren Ellis
English Writer. Not Australian Musician. Lives in your brain. Next novel, GUN MACHINE, due Jan 2013 from Mulholland Books.441,645 followers | Follow
ben goldacre
Nerd cheerleader, Bad Science person, stats geek, research fellow in epidemiology, procrastinator. TED here: http://bit.ly/qUcrmf And email: ben@badscience.net194,693 followers | Follow
Kurt Vonnegut
133,742 followers | Follow
Richard Wiseman
Personal twitter account of psychologist, author and magician Richard Wiseman.100,830 followers | Follow
William Gibson
79,792 followers | Follow
Robert S. Morrison
...a Czech-speaking American ex-pat living in Prague since 1993. Battling cancer, now. Secular Humanist. Left Libertarian. Critical Thinker.73,073 followers | Follow
snopes.com
The definitive Internet reference source for urban legends, folklore, myths, rumors, and misinformation.53,833 followers | Follow
almightygod
I'm into creating universes, smiting people, writing holy books and listening to prayers.36,820 followers | Follow
Simon Singh
34,060 followers | Follow
Jeff Schweitzer
Dr. Jeff Schweitzer is a marine biologist, consultant and internationally recognized authority in ethics. He is the author of five books including Calorie Wars.32,253 followers | Follow
Christopher Hitchens
Christopher Hitchens is an author, journalist and literary critic.28,423 followers | Follow
Rebecca Watson
Fearless leader of Skepchick.org, podcaster for SGU & IPN, writer, ice cream enthusiast23,694 followers | Follow
Atheist QOTD
Daily quotations which should interest, inspire or amuse atheists and agnostics everywhere. Replies sent from @AQOTDReply.21,950 followers | Follow
I AM THAT I AM!
Atheist in spirit. Reject their label. I am an anti-irrationalist, Bible-bullshit-bomber, slayer of supernatural-thought, bane of the stupidstitious.21,717 followers | Follow
Michael Nugent
Irish writer and activist. Bestselling books. Hit comedy musical play. Chair of Atheist Ireland. Happy, rational, ethical atheist.19,543 followers | Follow
Think Atheist
We are a community, social networking, and news site focused on bringing free thinkers together, and breaking the misconceptions about atheism. Thinking is fun!18,061 followers | Follow
Randi Foundation
The James Randi Educational Foundation is an international nonprofit that works to combat unreason and to promote critical thinking in society.16,136 followers | Follow
Jessica Ahlquist
14,917 followers | Follow
Bora Zivkovic
Blogs Editor at Scientific American. Visiting Scholar at NYU school of journalism. Organizer of ScienceOnline. My tweets are my own.13,939 followers | Follow
Joanne Manaster
Biology lecturer, video science book reviewer, co-host of @sciamblogs- PsiVid. #STS135 #NASAtweetup alum, former international model who LOVES science!13,356 followers | Follow
Brian Dunning
Science writer. Host and producer of Skeptoid, available on Internets and radio stations near you.13,228 followers | Follow
Monica Salcedo
Atheist, Free Thinker, Humanist, with a passion for friends & laughter, a movies junkie, & dare I say, I'm a writer. http://gawd.me - http://monicks.net12,172 followers | Follow
Hemant Mehta
Math teacher by day, Friendly Atheist by night; website-only updates are at @hemantsblog11,518 followers | Follow
Best Church of God
We read the bible so you don't have to. (BCOG=satire of religion)11,318 followers | Follow
thunderf00t
The true beauty of a self-inquiring sentient universe is lost on those who elect to walk the intellectually vacuous path of comfortable paranoid fantasies.10,126 followers | Follow
Brian Krueger, PhD
Science news site and Blog Network masquerading as a social network for the sciences. Enjoy the news and our science rants.8,520 followers | Follow
Skeptical Inquirer
Promotng scientific inquiry, critical thinking, science education, and the use of reason in examining important issues with our magazine the Skeptical Inquirer6,428 followers | Follow
Dr Rachael Dunlop
DrRachie from the Skeptic Zone. ALS and ageing researcher. Podcaster, blogger, science communicator. Winner of the 2010 Shorty Award for health.6,364 followers | Follow
Ashley Paramore
Atheist. Skeptic. Nerd. Development Director of the Secular Student Alliance (@secularstudents).5,548 followers | Follow
Richard Saunders
Skeptical Judge on TV's THE ONE - Producer of The Skeptic Zone Podcast www.skepticzone.tv - Life Member ASI www.skeptics.com.au - CSI Fellow www.csicop.org5,506 followers | Follow
Tim Farley
Research Fellow for @JREF. Software guy & skeptic who created http://whatstheharm.net. Fan of science, space, jazz, blues, beer & good comedy.5,195 followers | Follow
Dan Satterfield
Meteorologist (On air for 32 years) I'm the guy who interrupts your TV programs for Tornado Warnings. I'm into Science. B.S Atmos. Physics MS Earth Sci.4,805 followers | Follow
ScienceBasedMed
Science-Based Medicine is a group blog exploring issues and controversies in the relationship between science and medicine4,734 followers | Follow
Reason Rally
Reason Rally - March 24, 2012 - The National Mall in Washington, DC - Join the LARGEST Secular Celebration in World History!4,708 followers | Follow
Amy Davis Roth
I am an artist. I make handmade ceramic jewelry called Surly-Ramics. I write for Skepchick.org and MadArtLab.com. I am an advocate of science.4,569 followers | Follow
TheAtheistMissionary
Humanist supporting critical analysis of religion. Happily married dad to 3. LL.B. & columnist tweeting atheism, philosophy, ethics/veganism, NFL & kids' books.3,987 followers | Follow
Renee Hendricks
All I need is my guy, my kids, my caffeine, my Walther P22, and my bunnies.3,948 followers | Follow
quippd Atheist News
3,935 followers | Follow
Martin S Pribble
atheist blogger, climber, feminist, #science, #cats, #homebrew, organic gardener, environmentalist3,584 followers | Follow
ATHEISTS & AGNOSTICS
We promote the work of ATHEISTS AGNOSTICS SKEPTICS & HUMANISTS ON MYSPACE. For over 5 years, social networking's most reliable news source for non-believers.3,447 followers | Follow
Zack Kopplin
Help me repeal the misnamed and misguided Louisiana Science Education Act. It is stealth creationism, not science! Visit: http://www.repealcreationism.com3,350 followers | Follow
scott_hurst
Skeptic, science history buff, atheist, and photographer. A disbeliever drowning in a sea of Southern Baptism, please come visit!3,203 followers | Follow
Happy Atheist
Tweets from and related to HappyAtheistForum. Support Grassroots Atheist Groups follow @FoFDallas @txfreethought @FoundBB3,161 followers | Follow
Jason G. Goldman
Scientist, science writer (at Scientific American), photographer. I study the evolution of the mind. Scientist to the stars.3,159 followers | Follow
Beyond Mythology
Beyond Mythology: Rational thought can remove the hindrance of blind faith to reveal a universe of amazing discovery & knowledge!3,075 followers | Follow
S.C. Kavassalis
Sarah: Permanent student of mathematics, physics, and sometimes, the philosophy of their intersection - a relativist with style. Cat mom.3,047 followers | Follow
Staks Rosch
agnostic atheist blogger, freethinker, political progressive, and Jedi.2,779 followers | Follow
Liberalviewer1
Writer and professor of literature. I've published 3 books so far. I'm an Atheist and an ultraliberal thinker. RWNJs shit their pants when they confront me.2,710 followers | Follow
Samantha Thomas
A philosopher of ontology who stands in awe of small pebbles...2,555 followers | Follow
Hannah Waters
Science enthusiast and writer. Crazy about the ocean, genetics, human ecology, Latin. Wants to know everything about everything.2,519 followers | Follow
Brian Gregory
Hopeless geek and technologist, skeptic, atheist, @VirtualDS organizer, science/space buff, fan of bacon, Dr Who, Orioles, and Charm City! Spaaaaace Robots!2,354 followers | Follow
The Atheist Hub
In short, this is intended to function as a super-highway for the commentary and pondering of the world's atheists.2,280 followers | Follow
Karen Stollznow
Linguist, author and investigator of anomalous beliefs and practices. Columnist for Bad Language, Speaking in Tongues, and The Good Word. Monster Talk Host.2,175 followers | Follow
Maria Maltseva
Loves: Music, Atheism, Skepticism, Law, Lefty Politics, Art, Writing, Poetry, Humor, Science, Math, LGBTQ Rights. http://favstar.fm/users/bluharmony/recent2,108 followers | Follow
James of the Lepus
#Atheist (-) Been searching for truth and finally found it in reason after 20 years earnestly seeking god. Love Sci-Fi, MST3K, and Columbo.1,846 followers | Follow
A white Will Smith
The greatest living American humorist since Mark Twain & winner 2008 Humblest Living American award.1,834 followers | Follow
Brian Keith Dalton
1,817 followers | Follow
Evolved Reason
Interests: science (biology/evolution/physics), technology (InfoSec), religion, secular humanism, philosophy, politics, health, nutrition, & neuroscience.1,813 followers | Follow
MikeTheInfidel
Atheist, skeptic, liberal heathen, internet connoisseur. I blog about whatever comes to mind - usually related to irreligion. I follow back!1,649 followers | Follow
Greydon Square
working on the 2-Disc follow up to The Kardashev Scale entitled Type II : The Mandelbrot Set1,527 followers | Follow
michael martin
A Non believer of delicious proportions.A poet, disturbed,enchanted and entangled.Religion is destructive.Do not tread carefully,for the truth needs disturbing.1,260 followers | Follow
Happy Atheist
I'm a southern ex Xian, free thinker, atheist, parent and wife.1,241 followers | Follow
Lucas Brouwers
Science scribe (NRC Handelsblad), biology blogger (Scientific American) and evolution enthusiast.1,204 followers | Follow
Reasonable Doubts
Reasonable Doubts is an award winning counter-apologetics podcast that takes a serious and seriously funny look at religion and atheism.1,175 followers | Follow
Olivia Lovag
Loves cats, animals, music, cinema, photography, atheism, science, gadgets, politics..stuff!1,155 followers | Follow
Miranda Celeste Hale
Rhetoric & Composition teacher, writer, reader, blogger, skeptic, & atheist. Long-lost love child of the Fourth Doctor & Sarah Jane Smith. A sentimental girl.1,082 followers | Follow
Atheist Agenda
Atheist Agenda is a student organization at the University of Texas at San Antonio to discuss God, faith, and religion, or lack thereof.1,072 followers | Follow
Betsy McCall
mathematician, linguist, astronomy student, author, teacher, atheist, intellectual1,009 followers | Follow
Leigh Ramsey
Mom, wife, writer, medical editor, runner, STEM aficionado, animal-lover, sci-fi/fantasy nerd, progressive, and religious skeptic.1,006 followers | Follow
Tree Lobsters!
Comics! http://treelobsters.com ...and pictures! http://twitpic.com/photos/treelobsters ...and, um, other stuff http://madartlab.com/author/treelobsters945 followers | Follow
Jordan Craw
Science defines and inspires me, religion annoys me and humanity is humanity. Humanist, rational atheist.939 followers | Follow
☮Child of the stars☄
If we long to believe that the stars rise and set for us,that we are the reason there is a Universe,does science do us a disservice in deflating our conceits?CS914 followers | Follow
Blasphemy Day
International Blasphemy Day is 30 September, because blasphemy is not a crime and your god is a joke.841 followers | Follow
Captain Disillusion
Fake superhero. Please buy my DVD so I have coins to wash my costume. It's starting to reek. http://tinyurl.com/3re9l3e829 followers | Follow
Dustin Hume
God(s) free. Meat free. #Anthro graduate student. I love political and social anthropology. NOH8! The Buddha was my raft, but I crossed the river, #atheist.778 followers | Follow
John Mahony
Irish, wannabe-jack-of-all-trades living in Paris, FR since 1999. Skeptic and science geek by nature, I tweet all that I find interesting...caveat emptor ;-P718 followers | Follow
Dusty Philosopher
Im a Pragmatist/Constructivist, Humorist, Activist, Scholar/Journalist, Digital Media Consultant, Speech Writer, Researcher, Philosopher, Young Nomadic Graduate715 followers | Follow
Peter Parker
Skeptic Atheist Humanist, Sees the comedy in life. I enjoy engaging conversation and debate.708 followers | Follow
Manuel Santamaria
Perpetual dreaming machine firmly attached to reality. Proud father, husband, skeptic and atheist. Left my job to become an Astronomer and college professor.686 followers | Follow
The Cupcake Atheist
Amy blogs as The Cupcake Atheist. Wife, mother, reader, and science enthusiast.664 followers | Follow
Marxist Turtles!
We are turtles who passionately believe in the teachings of Marx and Engels!608 followers | Follow
Josh Witten
Biologist at Laboratory of Molecular Biology (opinions mine). Enjoys fun & occasionally running into things. Can occassionally spell occassionaly correctly.595 followers | Follow
Sam Singleton
If you see God, tell him Brother Sam's looking to kick his ass.572 followers | Follow
GlimpseScience.Net
A blog that brings you high-quality video content and a glimpse into the world of science.502 followers | Follow
Agnostic Radio
Agnostic Radio is a podcast that seeks to question, ponder, and explore religion, philosophy, politics, and the news of the day.401 followers | Follow
Trackspast
A deist for more than 50 years,bringing the problems with Holy Books to light and why many are leaving the Big3 revealed religions. Blog address.291 followers | Follow
Esceptiquísimo
escepticismo, pensamiento crítico, divulgación científica, noticias, medicina, neurociencias y más224 followers | Follow
Mike Adams
I am Mike Adams of NaturalWoos.com and I'm a massive public health risk191 followers | Follow
Upright Ape
A primate who can use tools. Works in education, studing Molecular Science in spare time, loves science, heavy metal and Formula 1.158 followers | Follow
Badass Galileo
Badass Galileo seeks out stupid people who misuse science and whups their behinds.150 followers | Follow
Beth Steffey
Literary Geek and lover of words, music, film, pasta and cute furry animals.134 followers | Follow
Ryan Tombleson
I'm an atheist, vegan, and progressive. Don't let the monocle and top hat fool you; I have a mohawk. I like Astronomy. A lot.127 followers | Follow
Kyle Henderson
71 followers | Follow
