Alexei Leonov was a pioneer in multiple ways for space exploration, debuting practices and relationships vital to humanity’s continued presence and work in space today aboard the International ...

Leonov’s walk on … On 18 March 1965 Soviet cosmonaut Alexei Leonov became the first person to leave a space capsule and, tethered to it, float freely in orbit – to space-walk.

The world's first spacewalker, Russian cosmonaut Alexei Leonov, has died at the age of 85. NASA announced Leonov's death Friday morning as astronauts Andrew Morgan and Christina Koch emerged from ...

"Legendary cosmonaut" Alexei Arkhipovich Leonov, the first person to walk in space, has died in Moscow aged 85. Russian space agency Roscosmos confirmed his death on its website, but gave no ...

On 18 March 1965, cosmonaut Alexei Leonov became the first person to spacewalk, tethered to the spaceship by a 5m “umbilical cord”. Show more On 18 March 1965, cosmonaut Alexei Leonov became ...

Alexei Leonov, the first human to conduct a spacewalk, died on October 11 at the age of 85. Leonov carried out two space flights that lasted a total of seven days and 33 minutes. The first one was ...