The tech billionaires could collaborate on a "humanity-saving" moon base in case an asteroid hits Earth, Douglas MacKinnon ...

6 Save-the-Earth Tips to Share With Kids Here's good news for the Earth: Kids want to protect it. The trick is showing them how to do it in ways that will truly make a difference. Empower children ...

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After all, heat is what often causes volcanic eruptions in the first place. It rises from Earth's core and builds up within the volcanic chamber until one day the pressure is so great it explodes.