Earth is the best planet to live on in our Solar System–perhaps the only one, given the grim conditions on even the most Earth-like planet, Mars. So to protect Earth, Amazon founder/CEO Jeff Bezos—who ...

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 ...

If an asteroid hits Earth, our mightiest heroes won't be The Avengers. It may very well be Elon Musk. NASA announced Thursday that it had awarded a contract to SpaceX, the space exploration company ...

When it comes to saving the planet, carrying around a metal straw in your pocket isn’t going to cut it. Don’t get me wrong, keep drinking from reusable water bottles and bringing your own tote bags to ...

How long have you been a citizen of Earth? For me, the answer is 32 years and counting. Now, consider: What makes you a citizen of Earth? To be a citizen implies some civic responsibility and ...