What to do for the Science Festival at museums in Paris and Île-de-France?

In celebration of the 2026 Fête de la Science, from October 2 to 12, numerous museums in Paris and Île-de-France will throw open their doors for a special (and free) program.

The aim of the Fête de la Science, marking its 36th edition this year, is to bring the love of science to as many people as possible—children and adults alike, the curious and the passionate. For the occasion, a host of institutions are taking part, including the universities, as well as some of the most renowned Île-de-France museums in the region, such as the Cité des Sciences et de l'Industrie or the Musée de l'Air et de l'Espace! You’ll get to explore the world around you from October 2 to 12, 2026, in Paris and Île-de-France.

Fête de la Science: discover the origins of this free, family-friendly scientific event
The Fête de la Science is the not-to-be-missed October event for fans of scientific experiments and new knowledge! Discover the history of this event, born in the capital! [Read more]

Exceptional workshops, lectures, debates and screenings are on the menu for this major cultural event, which will enable you to acquire new knowledge about space, biodiversity or the climate, depending on what interests you most. It's also an opportunity to meet scientists and personalities in the field, to inspire young people to take up science. Don't miss this rendez-vous with Science!

Science Festival 2026 in Île-de-France: workshops, tours, experiments… free outings on the program
The 2026 Science Festival runs from October 2 to 12 in Paris and across Île-de-France, offering many free events for the general public and families. Open laboratories, demonstrations, meetings, performances, and hands-on workshops make up the program for this 35th edition. [Read more]

The program at museums in Paris and the Île-de-France region:

Paris

Fête de la Science 2026: a quirky deep dive into the underbelly of Paris with the Paris Sewer Museum
In October 2026, the Science Festival is in full swing in Paris and across Île-de-France. To discover Paris’s hidden side, head to the Paris Sewer Museum on 11 October. [Read more]

Science Festival 2026: food, science and flavors come together at the Grand Palais
For the Science Festival, the Palais de la Découverte will host free activities at the Grand Palais on October 3 and 4, 2026, delivering a weekend of science experiments and games for the youngest visitors! [Read more]

Science Festival 2026 at the Palais de la Porte Dorée: what's on in Paris
The Palais de la Porte Dorée, in Paris’s 12th arrondissement, hosts Science Festival 2026, centered on living beings, biodiversity, and key questions facing society, from October 2 to 12, 2026. The event takes place in this Art Deco landmark, which houses the National Museum of the History of Immigration and the Tropical Aquarium. [Read more]

Science Festival 2026 at the Museum of Arts and Crafts: the program of activities
The Fête de la Science 2026 will take over the Musée des Arts et Métiers in Paris free of charge, offering tours, workshops and demonstrations centered on the museum’s inventions and collections, from October 2 to 4, 2026. A chance to gain a clearer understanding of science and technology through hands-on formats. [Read more]

Science Festival 2026 at the City of Economics: culinary workshops and a tour
On the occasion of the 2026 Science Festival, head to discover the collections at the City of the Economy in Paris! Other activities are also on the program, such as culinary workshops. [Read more]

Science Festival 2026: what's on at Maison Poincaré and the Museum of Mathematics in Paris
The Maison Poincaré, Paris’s mathematics museum, is once again taking part in the Fête de la Science on October 9–10, 2026: for the occasion, the museum will open its doors to everyone free of charge. [Read more]

Science Experiences, the concept between museum and theme park at Bercy Village
Science Expériences is a unique concept combining museum and amusement park to bring science to life for children. With scientific experiments, virtual reality and video mapping, it uses the latest technologies to bring science to life for children... [Read more]

Val-de-Marne Department

Science Festival 2026 in Vitry-sur-Seine (94): activities exploring taste and flavors
What to do in Vitry-sur-Seine during the 2026 Science Festival? From October 2 to 12, a series of family-friendly events will be held around science, research and discovery. [Read more]

Val-d'Oise

Science Festival 2026: a journey back in time at the Val d'Oise Archaeological Museum (95)
The Val d'Oise Archaeological Museum will open its doors for free to curious visitors on 10 and 11 October 2026, as part of the Science Festival. A program of family activities is planned. [Read more]

Science Festival 2026 at Archéa (95): discover archaeozoology with the whole family
On the occasion of Science Festival 2026, Archéa, the archaeology museum in Pays de France, invites visitors to discover archaeozoology through a workshop that blends observation, handling of animal bones, and conversations with a specialist, from October 2 to 12, 2026. [Read more]