How will the risk of high impact events, such as heat waves, floods and droughts change over the next few decades and beyond? (climateurope.eu)
«There's no longer any question that dinosaurs in the area survived the asteroid impact event, finally becoming extinct about a million years later,» he says. (discovermagazine.com)
He says the evidence points to a small impact event of an asteroid or comet, maybe a body a couple kilometers across. (sciencemag.org)