In an exclusive interview with NBC’s Lester Holt, which will air on NBC Nightly News on Tuesday, the crew — billionaire ...

For five days, the crew of the Polaris Dawn mission completed a number of objectives that could one day bolster deep-space ...

A New Hampshire man and three other crew members from the Polaris Dawn mission discussed their historic journey to space.

The mission is conducting more than 35 scientific tests, mirroring the exploration vessels of the 19th century.

SpaceXs Polaris Dawn mission accomplished several milestones during its five-day journey, including the most remote spacewalk ...

Polaris Dawn successfully completed arguably its biggest task Thursday by conducting the first commercial spacewalk. The ...

New spacesuits, untested astronauts, and a lot that can go wrong make this five-day mission unusually complex, but with a ...

The historic mission will see pivate astronauts attempt a spacewalk for the first time in history, and spaceflight enthusiasts can watch it live.

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