Banner image: CU Boulder aerospace engineers Torin Clark, left, and Allie Hayman, right, sit with the crew of Polaris Dawn during an event on campus in 2022. (Credit: Casey Cass/CU Boulder) Editor's ...

The mission is taking people farther from Earth than anyone has traveled since the end of NASA’s Apollo moon missions. By Kenneth Chang On Tuesday morning, Jared Isaacman, a billionaire entrepreneur, ...

Last week, four commercial astronauts boarded a SpaceX capsule for a pioneering spaceflight that was years in the making. And though the astronauts landed safely Sunday off the coast of Florida, the ...

One year ago, billionaire Jared Isaacman and his crew of three private Polaris Dawn astronauts boarded a SpaceX Dragon capsule for a mission that would redefine the possibilities for private human ...

When the Dragon spacecraft launched Tuesday atop a Falcon 9 rocket, the vehicle carried the private astronauts further into space than humans have reached in more than half a century. Two days after ...

KENNEDY SPACE CENTER — Billionaire Jared Isaacman is back in space, but this time he’s planning on taking a historic walk outside the spacecraft as SpaceX found a hole in the weather to get the ...

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

Polaris Dawn may be a private mission, but it's conducting research that will benefit NASA. Polaris Dawn lifted off early Tuesday morning (Sept. 10) atop a SpaceX Falcon 9 rocket, sending four people ...

Research by Dartmouth professor and former astronaut Jay Buckey suggests that once-daily urine samples can track the risk of bone-density loss and kidney stone formation during space flight. Buckey, a ...