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Astronauts and Cosmonauts

Astronauts and cosmonauts are trained personnel who travel in space. “Astronaut” refers to an American or western European space traveler and “cosmonaut” refers to a Soviet or Russian space traveler. China calls its space travelers “taikonauts.”

Radio Programs

Vostok 6 A big step in space history June 16, 2023

Troubles in Space Troubling changes during a space flight May 24, 2022

More Apollo 16 Having fun on the Moon April 20, 2022

Apollo 16 Alone but busy at the Moon April 19, 2022

John Glenn An enduring American legend July 18, 2021

Joseph Walker One of America’s first astronauts February 21, 2021

Moon Trees Planting visitors to the Moon February 4, 2021

One Giant Leap One priceless moment on the Moon July 21, 2019

Soyuz 1 A tragedy for the Soviet space program April 24, 2017

Space Heading into space — wherever it may be January 5, 2017

Featured Images

Apollo 16 astronaut Charles Duke on the Moon

Good Times April 20, 2022
Astronaut Michael Collins training for Apollo 11

Michael Collins April 29, 2021
collage of images of Alexei Leonov

Fallen Spacewalker October 13, 2019
Buzz Aldrin poses with the American flag on the Moon, July 20, 1969

A Priceless Moment July 21, 2019
Melotte 111 star cluster from international space station

Counting Stars May 10, 2018
The crew of Apollo 1

Fallen Astronauts January 27, 2017
Apollo 17 commander Eugene Cernan poses on the Moon in 1972

Last Walk January 16, 2017
John Glenn, astronaut

Departed Hero December 9, 2016

Stepping Out June 3, 2015