Curious about what's to come this September at ESA ESTEC Open Day? Watch a wrap-up video of last year's edition!

The 15th edition of the annual ESA ESTEC Open Day will take place a week earlier than usual, on 26-27 September 2026.

As in previous years, the goal of the event is to give visitors first-hand experience of the cutting edge of space science with the help of scientists, engineers, astronauts and space professionals.

Registration will be opened later this summer; keep an eye on this webpage and ESA social media for further details.