Earth will become too hot to handle in a billion years. There's a (very) remote chance a passing star could save us by knocking our planet back into the habitable zone. When you purchase through links ...

In about 5 billion years, the sun will die. But as it ages, it will get brighter and hotter, and by about 500 million years from now, our star will have heated Earth beyond redemption. But is there ...

Here’s how to watch the second season of the hit documentary series Our Planet in its entirety as well as everything you need to know going in. When you purchase through links on our site, we may earn ...