SpaceX just flew a full-size prototype of its Starship Mars-colonizing spacecraft for the first time ever.
The Starship SN5 test vehicle took to the skies for about 40 seconds this afternoon (Aug. 4) at SpaceX's facilities near the South Texas village of Boca Chica, performing a small hop that could end up being a big step toward human exploration of the Red Planet.
"Mars is looking real," Musk tweeted shortly after today's test flight.
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