Tagged With Saving Our World

8 men and women once sealed themselves inside this enormous fake Mars colony for 2 years -- here's what it's like today


Astronauts may one day use this tube to eat, drink, breathe, and recycle poop on the moon or Mars -- here's how it works


Dubai is getting these stunning $23 million floating villas that can withstand flooding



These half-million-dollar floating villas can withstand Category 4 hurricanes


These floating buildings are made from thousands of plastic bottles that can withstand flooding


Half of the Great Barrier Reef has died since 2016 -- here's what happens if all coral reefs on Earth die off



Mars colonists will get blasted with radiation levels 8 times higher than government limits -- here's what they're up against


A former NASA scientist says 'The Martian' movie 'is completely doable.' But Elon Musk's city on Mars is another story.