The Polaris Dawn astronauts have exited the SpaceX Dragon capsule to expose themselves to the void of space while 435 miles above Earth. Early Thursday, the crew began final preparations to ...

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And astronaut Sarah Gillis ... especially journeys to the moon and Mars. Polaris Dawn is closely tied to SpaceX: it launched on a Falcon 9 rocket, traveled in the reusable Crew Dragon capsule ...

Related: SpaceX Polaris Dawn astronauts perform historic 1st private spacewalk in orbit (video) The four private astronauts filmed the commercial just before embarking on the first spacewalk ...

Likely, many armchair astronauts watching at home found the ... you’re out there is even riskier still. Thankfully the Polaris Dawn EVA appeared to go off without a hitch, but not everyone ...

For the Polaris Dawn mission, the iconic image is that of two of the astronauts: first Jared Isaacman, the billionaire entrepreneur who paid for the flight, then Sarah Gillis, a SpaceX engineer ...

On Wednesday, the crew of Polaris Dawn had traveled further than any human in 52 years, and their Dragon spacecraft lowered down in altitude in preparation for the next mission milestone − the first ...

After an amazing orbital flight, billionaire-pilot Jared Isaacman says he aims to safeguard human civilization by spreading ...

Astronaut and CU Boulder alum Sarah Gillis will speak at CU Boulder from 3:30 to 5 p.m. Monday at Fiske Planetarium, 2414 ...