Astronomers keep building bigger telescopes. Hubble has a 2.4-meter mirror. James Webb stretches that to 6.5 meters. Future observatories will undoubtedly push the limits further. But eventually you run into
The Biggest Telescope We Could Ever Build Is Already in the Sky Read More »
Elon Musk says SpaceX wants to build a “self-growing city” on the Moon, potentially within a decade, while still pursuing a future city on Mars. That sounds audacious, futuristic and—if
We Want Cities on Mars and the Moon. But Can Humans Reproduce There? Read More »
Look up at the night sky and you may already be seeing the beginnings of a profound change. SpaceX’s Starlink has put thousands upon thousands of satellites into low Earth
Could Runaway Satellite Destruction Make The Space Around Earth Unusable? Read More »
When I wrote Ares, I needed a reason why enormously powerful government institutions might find themselves desperate for resources. So I gave the United States an $85 trillion national debt.
