Can a meteor hit Earth one day and wipe us out?

In a very literal sense, the sky is falling. Not today and not tomorrow, but eventually. read more

Population of 10 B people: Not an impossibility. Asteroid falling on the earth: Not an improbability. Supernova wiping us out: Absolutely impossible in the next ten million years. Global warming causing catastrophes: Highly likely before the end of this century. read more

If we do get a news story "Asteroid due to hit Earth" it is almost certain to be a 10s to at most 100 meter asteroid as they are most common of all, so the most likely to be predicted. A 100 meter asteroid could be very devastating. read more