Fête de la Science 2025 at the Observatoire de Versailles Saint-Quentin-en-Yvelines (78)

Published by Graziella de Sortiraparis, My de Sortiraparis · Updated on September 24, 2025 at 10:46 a.m. · Published on September 30, 2022 at 03:37 p.m.
For the Fête de la Science 2025, the Observatoire de Versailles Saint-Quentin-en-Yvelines is opening a science village to the general public on October 12, with family workshops on the program.

The Fête de la Science is the perfect opportunity to satisfy your curiosity with professionals and scientists, in Paris and throughout the Ile-de-France region. In the Yvelines region, theObservatoire de Versailles Saint-Quentin-en-Yvelines is giving children the chance to discover space, climate change and the world around them, thanks to a host of fun workshops. It's also an opportunity to meet real enthusiasts, who will be delighted to share their knowledge with you!

This observatory, founded in 2009, replaced the Institut Pierre-Simon-Laplace as the Observatoire des sciences de l'univers. A higher education and research establishment located in the town of Guyancourt, it is part of theUniversité Paris-Saclay, and specializes in astronomy and space sciences.

It houses research laboratories where scientists and students work on a variety of issues related to astronomy, astrophysics and cosmology. They carry out research on subjects as varied as star formation, galaxies, black holes, exoplanets and many other topics related to the universe.

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The Fête de la Science is back from October 3 to 13, 2025 for its 34th edition! The idea? A week dedicated to scientific culture, with numerous free events all over France. Experiments, shows, open houses, visits and a host of workshops, open to all and adapted to children, await you in the four corners of Paris and the Île-de-France region! [Read more]

The Fête de la Science 2025 program at the Versailles Observatory

  • Fête de la Science at the Observatoire de Versailles Saint-Quentin-en-Yvelines
    October 12 - 12

    For its 15th edition, the Observatory explores all forms of intelligence, from nature to man and all the way to the end of the universe.
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Discover a new passion for science at this exceptional national event!

Practical information

Dates and Opening Time
On October 12, 2025

× Approximate opening times: to confirm opening times, please contact the establishment.

    Location

    11 Boulevard d'Alembert
    78280 Guyancourt

    Route planner

    Prices
    Free

    Official website
    www.fetedelascience.fr

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