The first joint space mission between the United States and Russia (then the Soviet Union) docked in Earth orbit half a century ago today (July 17). When you purchase through links on our site, we may ...

The Apollo-Soyuz Test Project brought Soviet cosmonauts and NASA astronauts together in the first international human spaceflight. A 1973 artist’s concept of the Apollo-Soyuz Test Project, with the ...

Twenty-one months after the deaths of the Apollo 1 crew in a fire during a test on the launchpad, the three men who had originally served as their backup crew - Walter Schirra Jr., Donn Eisele, and ...