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.