: Arthur is a new submersible ROV (remotely-operated vehicle) designed for underwater archaeology. Offering unprecedented performance and versatility, it is able to explore shipwrecks for treasure and the marine life they harbour, at depths as great as 2500 metres. CNRS News talks to roboticist Vincent Creuze about this innovative deep-sea
: On 14 September, 2015, the international LIGO/Virgo collaboration detected the very first gravitational wave signal, a tiny distortion of spacetime predicted by Einstein, in this case produced by the merger of two black holes. The CNRS astrophysicist Marie-Anne Bizouard explains how this discovery has opened up a new window on the