But what if you can’t? What if the question could open up a legal can of worms if you answer, or what if you’ve prepared but just don’t have the information and don’t want to look stupid? What do you ...

That is the question addressed by Carusi and colleagues in a study published in the April issue of Icarus, a leading international journal in the planetary sciences. They conducted case studies of two ...

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The old joke about the dinosaurs going extinct because they didn’t have a space program may be overselling the need for one. It turns out you can probably divert some of the more threatening asteroids ...