The Fête de la Science is back in 2026 for its 35th edition! From October 2 to 12, 2026, celebrate scientific culture through numerous events across France. This year, the Marcelin Berthelot site of the Collège de France will be open on Saturday, October 3 for all audiences, and above all, free of charge! It’s a chance to learn more about a range of essential topics in the fields of medicine, mechanics and physics.
Science Festival 2026: free activities you won’t want to miss in Paris and Île-de-France
From October 2 to 12, 2026, the Fête de la Science returns to Paris and the Île-de-France region for its 35th edition, featuring free activities open to all. Experiments, workshops, performances, tours and open doors invite both children and adults to explore science in all its forms. [Read more]
Science Festival is back for its 2026 edition, running from October 2 to 12. To mark the occasion, École Polytechnique opens its doors to the public for a day packed with activities and discoveries. [Read more]
Young researchers from the ChADoC association will be on hand to present workshops for young and old alike. It's an opportunity to spend a day that's as enriching as it is fun, at the heart of one of the Latin Quarter's most beautiful establishments. The Collège de France was founded in 1530. Numerous courses and lectures are given here throughout the year by the researchers who work there, and are very often open to the public. This makes it a unique place of learning.
The Collège de France is inviting young and young-at-heart curious minds this Saturday, October 3. Heads up: some tours and activities are only available by reservation — visit the event website to learn more.
Science Festival at the Collège de France
Young researchers invite you to take part in playful, interactive experiments designed to give you a taste of the major scientific disciplines that underpin the College de France’s excellence.
Access to the experiments is free and open to everyone, with no registration required, but exceptional guided tours of laboratories—available by registration—will also let you glimpse the behind-the-scenes work in biology and physics. Guided by the scientists who work there every day, you’ll dive into their activities and research.
Finally, the College de France’s pop-up shop will open its doors on this occasion. You’ll find a selection of keepsakes and books published by Editions du Collège de France.
Full program on the College de France website
Participation requirements:
• Target audiences: 6–11 years, 11–15 years, 15–18 years, 18–25 years, 25 years and up
• Conditions: Booking required
Hours: Saturday, October 3 — 10:00 AM to 6:00 PM
Dates and Opening Time
On October 3, 2026
Location
Collège de France
11 Place Marcelin Berthelot
75005 Paris 5
Route planner
Accessibility info
Access
Metro Maubert-Mutualité (line 10), Odéon (lines 4 and 10)
Prices
Free
Science Festival 2026: free activities you won’t want to miss in Paris and Île-de-France
Science Festival 2026: the lineup of activities at École Polytechnique (91)
