Charles Darwin was deeply troubled by the sudden appearance of complex animal life during the Cambrian Explosion about half a billion years ago, animal evolution’s Big Bang. He felt the sudden appearance of such diverse animal body-plans was inexplicable, fearing that it was the Achilles heel of his theory. What ...
In the span of a single day, San Francisco can be covered in fog while Oakland is sunny and Walnut Creek is pushing 90 degrees. From Karl the Fog to sudden temperature swings and wildly different neighborhood forecasts, Bay Area weather is shaped by a unique mix of ocean currents, ...
Where: San FranciscoCost: $27
Virtual Skeptics on the PubThis is a casual night of socializing with fellow science-forward skeptics and with others inhabiting our oblate spheroidal planet.Please join us! This is a free event brought to you by Bay Area Skeptics. All are welcome.Click here to join.
Where: Cost: Free
Thursday, 06/25/26
After Dark: PrideCelebrate Pride with sci-fi representation, fun activities, and a thought-provoking exhibition about space.Ages 18+
Where: San FranciscoCost: $22.95
PRIDE NightLifeKick off San Francisco Pride in a big way at NightLife. We’re celebrating love, acceptance, and the power of being unapologetically yourself. So get ready to dance the night away in your fiercest fit, shop local vendors, and more!
Where: San FranciscoCost: $25
Friday, 06/26/26
Skeptics in an Oakland pubEnjoy an evening of socializing and feasting with fellow Bay Area science-forward folk in Drake’s Biergarten with great food. < Menu >Join us! This is a free event brought to you by Bay Area Skeptics. All are welcome.
Where: OaklandCost: Free
Saturday, 06/27/26
Discover the Flyway TrailJoin us for a walk along the Flyway Trail! Discover wildlife from a 360 degree view at the Ravenswood Unit of the Don Edwards San Francisco Bay National Wildlife Refuge.We will meet in the Bedwell Bayfront Park parking lot, adjacent to the bathrooms, and walk through Bedwell Bayfront Park to ...
Get your tickets now for the lowest price of the year for the 2026 SkeptiCal Conference, northern California’s meeting on science and critical thinking. Speakers (see weblink for abstracts and bios): Alternative Medicine for Animals (Brennan McKenzie) How Science Education Can Protect Us from Misinformation (Bruce Alberts) A Skeptical Examination ...
Where: OaklandCost: See website
Sunday, 06/28/26
Solar ObservingIt’s there for us year round, lighting our days and providing energy for our lives, so maybe it’s time to give it a closer look. Join SJAA for amazing and detailed views of the Sun, and be assured that we’ll be using special telescopes that will keep your eyeballs perfectly ...
Where: San JoseCost: Free
Marine Science Sundays: Sea Lions of the WorldThis month is all about celebrating the sea lion. Let's look at some of the diversity of sea lions around the world and what makes them super special. Join us as we explore the big, the small, the weird, and everything in between!Talks at 10:30 AM, 12:00 PM, and 2:00 ...
