Since those early steps, extravehicular activity has helped provide the solutions to many problems that astronauts face in ...

The Soviet Union was keenly aware the United ... land at runways around the world has been a part of the American space program since the very beginning. In 1957, the US Air Force started the ...

Cosmonaut Alexei Leonov was the first man to walk in space. In 1967 he was recruited to train for his nation's lunar program. He recalled the Soviet reaction to the moon race: "Our people were ...

The second chief of the Russian space corporation Roscosmos ... at regulators from within the White House — putting the US space program on a very different trajectory.

NASA astronauts Suni Williams and Butch Wilmore returned from the International Space Station in a Dragon capsule from Elon Musk's SpaceX after months in space.

High school social studies teacher Christa McAuliffe of New Hampshire was selected from a pool of 10,000 applicants. With six ...

Suni Williams and Butch Wilmore, the astronauts who had an unexpectedly long stay in orbit, are set to head back to Earth just two days after a replacement crew docked at the space station.

Cosmonaut Alexei Leonov was the first man to walk in space. In 1967 he was recruited to train for his nation's lunar program. He recalled the Soviet reaction to the moon race: "Our people were ...