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 ...

Elon Musk is putting his dreams of colonizing Mars on hold and said his SpaceX rocket company will instead focus on building ...

For more than a century, popular culture has promised that humanity will spread effortlessly across the Solar System, turning Mars into a second Earth and building floating cities above Venus. The ...

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 ...

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 ...

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Add Yahoo as a preferred source to see more of our stories on Google. Considering regulation for the space industry now could prevent the proliferation of colonial practices later. gremlin/iStock via ...

Radiation and microgravity are two of the greatest hazards to astronauts’ reproductive health. “Space radiation can damage ...

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.

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 ...

Many are passionate about colonizing outer space. They argue that it can be "Plan B" to rescue earth, or a solution to depleting resources and human overpopulation, or a way to move polluting ...