For decades, the idea of people living on Mars has felt like a distant fantasy, limited by the brutal cost of hauling ...

This book’s strength lies in its authorship: it is not written by a physicist enthralled by the engineering challenge of Mars ...

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Have you heard the news? Mars has ice, and that ice is made from clean water. With this discovery we’re one step closer to ...

In an interview earlier this year, Elon Musk, the CEO of SpaceX and Tesla, delivered a sobering assessment of Earth’s future, suggesting it may not be able to support humanity for much longer. SpaceX ...

In a similar vein - it was only a few years ago that fellow Arsians were telling me that it was impossible to build a drone that was capable of carrying living people, that the physics math didn't add ...

Finally, we launch into Musk’s ultimate quest — his desire to colonize Mars — and how he went from wanting to save earth to ...

RONALDO SCHEMIDT/AFP/AFP Bad weather on Monday forced SpaceX to postpone the latest launch of its massive prototype Starship rocket, key to founder Elon Musk's dreams of colonizing Mars and NASA's ...

There's an asymmetry there though—it's cheaper coming down than going up. If you're after raw materials, then in principle you don't need to put that much mass in space to bring a lot of mass back to ...