Forbes contributors publish independent expert analyses and insights. Kevin Holden Platt writes on space defense, SpaceX, ISS, Space War I ...

In a remarkable coincidence, NASA astronaut Don Pettit will mark his ... when they undock from the International Space Station (ISS) aboard the Soyuz MS-26 spacecraft at 5:57 p.m. ET Saturday.

A change of command ceremony was held on the International Space Station as Russian cosmonaut Aleksey Ovchinin handed over the keys to the ISS to Japanese astronaut Takuya Onishi. The ...