As it turns out, odds are about 2.4 times greater that you will be killed by a asteroid or comet than by an air crash or tornado, both taken together.
Asteroids are surprisingly dangerous.
If a big one hit the Earth at the wrong place, it could kill many people. And a sufficiently big one could kill everyone. Malcolm Miller God does not play dice', hoped Einstein. But substantial rocks abound, or lumps of ice called comets. If they make a good show as they pass then crowds applaud.