The experiment was failing. Nelly Ben Hayoun-Stépanian was in a cave in Spain, one outfitted to resemble the surface of a foreign planet, and she knew it was time to pull out. The goal had been to ...

A composite view of the Earth constructed by NASA from multiple satellite images Credit - NASA/Goddard Space Flight Center Human evolution is a story writ slow. It’s been about 3.8 billion years since ...

Many believe we need to colonize space to get all of our eggs out of one basket, in case something should happen to Earth, but colonizing space might be the best way to protect and preserve our world.

Models help scientists understand everything from the particles that make up the universe to massive superstructures of galaxies at the beginning of time. But sometimes they model more mundane, though ...

Add Yahoo as a preferred source to see more of our stories on Google. Jeff Bezos and Elon Musk both have ambitions of space colonization. But the billionaires disagree on how exactly that future will ...

As Earth faces growing environmental pressure, the idea of becoming a multi-planetary species is gaining urgency. But ...

If we want to someday live on Mars, spaceships won’t be enough. We would need a Martian city—and this is how we might build one. In many ways, the problem of moving to Mars is simply a packing problem ...

HONG KONG — The survival of the human race depends on its ability to find new homes elsewhere in the universe because there's an increasing risk that a disaster will destroy Earth, world-renowned ...

The commercial space industry has boomed in recent years, with companies like SpaceX and Blue Origin leading the pack. Their respective founders, Elon Musk and Jeff Bezos, essentially share the same ...

Former President Barack Obama has expressed skepticism about the potential of space colonization to save Earth, slamming Tesla Inc. CEO and SpaceX founder Elon Musk and Blue Origin founder Jeff Bezos.