Once more unto the Moon — then onward to Mars.
SpaceX’s BFR puts off-world colonization within our grasp.
"What we've really tried to do at NASA is leave a lot of options open."
It’s becoming harder and harder to categorize moons as moons.
It may explain a mysterious event that happened 2.45 billion years ago.
Humans are full of microbes. Humans also went to the Moon. Does that mean we left colonies over there?
"I think ultimately we’ll be living on the moon for a generation before we get to Mars."
Space-ownership is still a major unresolved issue that deserves attention.
"On average, that same spot on Earth will only get to see a solar eclipse every 375 years."
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