The four astronauts of the Polaris Dawn mission traveled to 870 miles above Earth on Tuesday, the highest humans have gone since NASA's Apollo program came to an end in the 1970s.

The Polaris Dawn astronauts from left: Anna Menon, Scott “Kidd” Poteet, Jared Isaacman and Sarah Gillis. The four spent hours on Tuesday doing science experiments in orbit after launching.

The four Polaris Dawn astronauts splashed down safely off the coast of Florida today (Sept. 15), bringing an end to their historic commercial mission.

Polaris Dawn mission: What to know about SpaceX launch and its crew Four private astronauts will rocket into the upper reaches of Earth's orbit on a SpaceX Dragon capsule, where the first-ever ...

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 ...

Jared Isaacman, astronaut and leader of the Inspiration4 and Polaris Dawn missions to space, made a second significant ...

The SpaceX Polaris Dawn mission carried out its spacewalk on Thursday with two astronauts emerging out of the capsule in Earth's orbit, tethered to the Crew Dragon spacecraft in the vacuum of space.

The spacewalk, the riskiest part of the five-day Polaris Dawn mission, kicked off at 6:12 a.m. ET when oxygen started flowing into the astronauts’ spacesuits.

SpaceX Polaris Dawn astronauts conduct the first-ever private spacewalk An internet entrepreneur and a SpaceX engineer have become the first private astronauts to walk in space. Space.

The astronaut, pilot, and former NASA administrator nominee designated the gift for the Inspiration4 Skills Training Complex ...

Jared Isaacman may no longer have a shot at leading NASA, but that doesn't mean the billionaire and private astronaut is done ...

A businessman who led the world’s first all-civilian space mission to orbit the earth and had been nominated to lead NASA by ...