Extragalactic SETI looks for life beyond the Milky Way. But where? In game theory one solution is a Schelling point — a single event that draws different group's attention. A binary neutron star merger could act as one because observers across the universe will all be looking in the same direction.
Webb Spots Possible Red Supergiant Star in Early Universe
Does the infinite exist inside black holes? | Live event with David Deutsch, George Ellis, Sara Walker, Robert Lawrence Kuhn, Marcus du Sautoy on November 7th