The 5 times humans almost went EXTINCT - as scientists reveal the date our species could finally be wiped out

With eight billion people now walking the Earth, the thought of humans going extinct anytime soon seems rather unlikely. But even if our population is booming today, it hasn't always been that way. That's because there have been at least five occasions throughout history where the human race has been in danger of dying out, not least because of the eruption of a supervolcano 70,000 years ago that almost sent us the same way as the dinosaurs. But what happened on the other occasions? And how close did we really come to not existing?