Dawn only requires 250 grams of xenon to fire for 24 hours. At the end of the mission, the engines will have been in operation for 50,000 hours and will only have used 425 kilograms of xenon gas. Each ...

For months before liftoff, the popular press had been hyping up the fact that the Polaris Dawn mission would include the first-ever private spacewalk. Not only would this be the first time anyone ...

The four members of the Polaris Dawn mission, riding aboard SpaceX's Dragon ... with an Agena target vehicle and then using ...

The second stage's single engine shut down nine minutes after ... The rest of the Polaris Dawn mission will be devoted to completing the planned bio-medical research before setting up for re ...

The Dawn spacecraft is carrying a total of three scientific experiments on board. Alongside the camera system, which will acquire images of the surface of the asteroids, measurements will be carried ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. The Polaris Dawn ...

The mission, called Polaris Dawn, is the first of three funded by the founder of payments processing business Shift4. He is onboard as commander alongside his close friend Scott 'Kidd' Poteet ...

Hazy images revealed something bright and mysterious shining on the dark planet’s surface, like animal… After spending nearly eight years floating through deep space, NASA’s Dawn spacecraft ...

The Polaris Dawn mission lifted off from NASA’s Kennedy Space Center at 5:23 a.m. EST after several delays due to inclement weather. Near the end of the first day of the mission, the SpaceX Crew ...

Those were just a few highlights of September’s Polaris Dawn mission: a five-day, four-person orbital spaceflight purchased from SpaceX and commanded by Jared Isaacman, the billionaire CEO of ...

The SpaceX Polaris Dawn mission featuring the first spacewalk by private citizens is now slated for launch this Friday, according to the Federal Aviation Administration (FAA). Spearheaded by ...