The new crew will replace four station fliers who returned to Earth ahead of schedule last month due to a medical issue.

Ars has reported on one of the amendments, which would authorize NASA to take steps toward a “commercial” deep space program ...

International Space Station, where astronauts have lived and worked for 25 years, is visible to us on Earth. How to see it with or without binoculars.

How do you lay out a space station to accommodate life in zero gravity? That's one of the challenges facing Teague, a century-old design firm.