The most ambitious private spaceflight to date was a total success—and it blazed a trail for others to follow.

"We are mission complete," Isaacman said after the spacecraft landed.

SpaceX's Polaris Dawn mission was a spaceflight for the ages. Here's what the historic mission was like from launch to ...

Spaceflight Associated Neuro-Ocular Syndrome, or SANS, impacts more than 70% of astronauts, causing what doctors think might ...

(NASA) – NASA astronaut Tracy C. Dyson, accompanied by Roscosmos cosmonauts Nikolai Chub and Oleg Kononenko, will depart from ...

Spaceflight Associated Neuro-Ocular Syndrome, or SANS, impacts more than 70% of astronauts, causing– what doctors think might ...

Two cosmonauts have set the record for the most days spent continuously aboard the International Space Station (ISS), ...

Suni Williams and Butch Wilmore have been on the International Space Station for 15 weeks. They were only supposed to be ...

Artist's illustration of OSAM-1, bottom, grappling the Landsat 7 satellite. (Credit: NASA) Members of Maryland’s ...

Crew-9's SpaceX Falcon 9 rocket is scheduled to lift off at 2:05 p.m. EDT Thursday from Launch Complex 40 at Cape Canaveral ...