Apr 11
Astronauts have been able to drink their own (treated and filtered) urine
Mar 31
Anyone dreaming of casting off the shackles of Earth
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Feb 26
The scene: I’m in my closet-sized cabin, inside a white dome built to house a crew of six for four months as part of an isolation experiment. As a crew, we are working and living as ‘explorers’ stationed on the surface of ‘Mars’. Our colony is lifelike and NASA-funded, but it is situated in a place quite a bit closer to home, on a remote slope of a Hawai’ian volcano.
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Feb 14
Why It's So Hard to Find Alien LIfe
Posted in: Today's Chili
A big reason why the Fermi paradox has punch is the matter of time. Max Tegmark gets into this in his excellent new book Our Mathematical Universe (Knopf, 2014), where he runs through what many thinkers on the subject have noted: Our Sun is young enough that countless stars and the planets that orbit them must have offered homes for life long before we ever appeared. With at least a several billion year head start, wouldn’t intelligent life have had time to spread, and shouldn’t its existence be perfectly obvious by now?
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Feb 10
My colleagues and I have begun the Glimpsing Heat from Alien Technologies (G-HAT) SETI program, which has been written about here on Centauri Dreams and in other places, like in this nice summary article. I describe some of the foundations of the search here on my blog, but I have written up this short primer for Centauri Dreams to collect much of what is there into a single post.
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Jan 27
China’s Yutu Lunar Rover landed
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Jan 17
The first element of the International Space Station (ISS) launched over fifteen years ago, on November 20, 1998. For more than thirteen years at least two human beings have been continually living off the surface of our planet. Assembly of the Space Station is now complete. It is being utilized by its crews and scientists from around the world to execute its primary mission – scientific investigations that can only be accomplished in the microgravity environment of Low Earth Orbit (LEO).
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Jan 08
Just because we can’t fry food in the vacuum of space
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Nov 13
NASA has created a beautiful simulation of how Mars might have looked billions of years ago. It’s a fascinating view that looks eerily like Earth. According to NASA:
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Oct 24
You have to crawl before you can walk—be you a baby or an asteroid-blasting space cannon. Now, after a successful test-fire here on Earth, Japan’s specially made cannon for its Hayabusa 2 spacecraft
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