Swansea Science Festival

Wales Largest Science Festival celebrates 10 years! Save the date: 30 - 31 October 2026

What's on Friday 30th October

What's on Saturday 31st October

Who's at the Exhibition Hall

Festival Extras

Wales’s largest science festival is back for its 10th year!

Swansea Science Festival is back, and you’re invited to celebrate a decade of discovery, creativity and curiosity.

Designed for visitors of all ages, the festival returns with hands-on activities, inspiring talks and groundbreaking research, bringing science to life in exciting and unexpected ways.

Full picture gallery

Highlight Events

CSI Swansea

Join the CSIs (Crime Scene Investigators) after hours in the galleries to use real scientific techniques

Heavy Metal Marine Biology

Heavy metal marine biologist takes you through a countdown of his "Top of The Rocks" marine creatures!

Confessions of a Traitor: The Psychology of Trust and Deception

Join us as we unmask two of the most formidable Welsh contestants from The Traitors - Fiona and Amanda!

Grace's Green Gadgets

You may have even seen Grace on her award-winning CBeebies show 'Grace's Amazing Machines'

Retro Computer Playground

Step back in time and get hands-on with the computers your parents (and grandparents!) grew up with.

A speaker on a stage with a fish in his hand