A portable X-ray device produced the first diagnostic human images in orbit, a step toward remote and rural medical care.

Low Earth orbit (LEO) is on the verge of a major expansion in crewed operations, but the proliferation of space debris could threaten these missions and create safety hazards for astronauts. With the ...

The agency's efforts in low Earth orbit are integral to its broader ambitions for deep space exploration. The microgravity environment in low Earth orbit provides a cost-effective, easily accessible ...

SpaceX has announced Polaris missions that aim to push human spaceflight higher and further than recent history. The program includes the highest human orbit since Apollo and the first SpaceX-led ...

Iran said Wednesday it sent a capsule into orbit capable of carrying animals as it prepares for human missions in coming years. A report by the official IRNA news agency quoted Telecommunications ...

Add Yahoo as a preferred source to see more of our stories on Google. SpaceX has lined up more business for its human spaceflight program with a private launch from Florida that will take its ...

China has sent artificially constructed human embryo models to the Tiangong space station, marking the first known attempt to study early-stage human embryonic development in orbital microgravity. The ...

The mission that got off the ground from the Vandenberg Space Force Base in Southern California was designed to return from orbit in a major first. While an "anomaly" prevented the spacecraft bearing ...

A reception will follow the conclusion of the event. For 25 years, since the first crew arrived at the International Space Station on November 2, 2000, the United States has had astronauts in low ...