 23 March 2016
        Could an encounter with a passing dark molecular cloud be responsible for killing off the dinosaurs?
        23 March 2016
        Could an encounter with a passing dark molecular cloud be responsible for killing off the dinosaurs?
        ... asteroids and/or comets. Could this be the cause of the Chicxulub impact? More on this research can be found at Nimura, T., et al., End-cretaceous cooling and mass extinction driven by a dark cloud encounter, Gondwana Research (2016), http://dx.doi...