DART on its way to Dimorphos (rendering) — NASA/JPL

NASA Just Saved The World (Sort of)

We now have the power to avert one of the worst natural disasters. Or do we?

The worst kind of natural disaster hasn’t happened for 65 million years. I am, of course, talking about a planet-altering asteroid impact. As our telescopes have developed over the years, we have started to realise that there are hundreds of asteroids just past Mars that are…