Description: The two prime crews of the joint U.S.-USSR Apollo Soyuz Test Project (ASTP) sit atop ASTP mock-ups at JSC to symbolize their historic docking in Earth orbit mission schedules for summer ...

WEATHERFORD, Okla. (KFOR) – When astronaut Tom Stafford and cosmonaut Aleksey Leonov opened a hatch connecting their two spacecraft in July of 1975, it marked the first of what would become many joint ...

On this date in 1975, a Soviet and an American shook hands. Even for the time period, this wouldn’t have been a big deal if it wasn’t for the fact that it happened approximately 220 kilometers (136 ...

Add Yahoo as a preferred source to see more of our stories on Google. (WHTM) On July 15, 1975, two rockets blasted off into space. The Soviet Union's Soyuz 19 launched from Baikonur Cosmodrome in ...

On July 15, 1975, the first joint space mission between the United States and the Soviet Union blasted off into orbit. They called it the Apollo-Soyuz Test Project. This mission ceremoniously marked ...

Click to open image viewer. This high-definition thermal test unit for the ultraviolet spectrometer represents the object that flew on the Apollo-Soyuz mission in July 1975. The spectrometer was part ...

Ars Technica has been separating the signal from the noise for over 25 years. With our unique combination of technical savvy and wide-ranging interest in the technological arts and sciences, Ars is ...

Click to open image viewer. This stamp honors the five astronauts and cosmonauts who participated in the July 1975 Apollo-Soyuz Test Project, the first international joint human spaceflight mission.