An asteroid impact could wipe out an entire city – a space security expert explains NASA's plans to prevent a potential catastrophe
- Written by Svetla Ben-Itzhak, Assistant Professor of Space and International Relations, West Space Seminar, Air War College, Air University
A giant asteroid struck Earth and wiped out the dinosaurs 65 million years ago. Mark Garlick/Science Photo Library via Getty ImagesThe Earth exists in a dangerous environment. Cosmic bodies, like asteroids and comets, are constantly zooming through space and often crash into our planet. Most of these are too small to pose a threat, but some can be...