Harvard astronomer Avi Loeb bets $1000 against skeptic Michael Shermer that humanity will confirm alien technology by 2030.
The Space Race on MSN
How NASA Actually Plans to Bring Astronauts Home From Mars
NASA’s Mars return plan relies on assembling a full ascent vehicle directly on the Martian surface. The fuel for liftoff ...
The Space Race on MSN
NASA’s Newly Declassified Files Reveal a Forgotten Moon Base Concept
Newly declassified documents reveal that NASA once drafted detailed plans for a permanent lunar base more than 70 years ago.
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