The massive asteroid that struck our planet 66 million years ago wiped out nearly all the dinosaurs, together with three-quarters of the Earth’s animal and plant species. According to a new computer modelling study led by the University of Michigan (U-M), this collision also triggered a monstrous tsunami with mile-high waves that scoured the ocean floor thousands of miles from the impact site on the Yucatan Peninsula, located in today’s Mexico.  “This tsunami was strong enough to disturb and erode sediments in ocean basins halfway around the...