In February 2016, the Virgo-LIGO international collaboration announced that it had detected a few months earlier, in September 2015, a signal confirming the existence of gravitational waves theorized nearly a century earlier by Albert Einstein. The CNRS and the French Physical Society propose an exceptional event to celebrate this major discovery.

Dark matter plays an essential role in the structuring of the Universe. Its nature is so enigmatic and secret that it has become one of the greatest scientific subjects of this century. This immersive web documentary, born from the collaboration of several research laboratories, invites you to discover what the scientific community knows and doesn't know about this fascinating unknown. Let a mysterious guide take you on a journey through the Universe and discover this great enigma.