
Astronaut Bruce McCandless II, STS-41B mission specialist, tests a "cherry-picker" type device during the Feb. 7, 1984, historic spacewalk. The…

This scenic panorama of clouds over the Atlantic and Florida and Space Shuttle Challenger launching on the STS 41-B mission…

The Apollo 16 prime crew relax aboard the NASA Motor Vessel Retriever during water egress training activity in the Gulf…

The crew of five astronauts for the STS-41B mission. On the front row are Vance D. Brand, commander; and Robert…

Expedition 54-55 prime crewmember Anton Shkaplerov of the Russian Federal Space Agency (Roscosmos) signs a ceremonial book Nov. 30 as…

Expedition 54-55 prime crewmember Anton Shkaplerov of the Russian Federal Space Agency (Roscosmos) listens to a reporter’s question during a…

Expedition 54-55 prime crewmember Norishige Kanai of the Japan Aerospace Exploration Agency (JAXA) listens to a reporter’s question during a…

Expedition 54-55 prime crewmember Scott Tingle of NASA listens to a reporter’s question during a crew news conference Nov. 30.

Expedition 54-55 prime crewmembers pose for pictures Nov. 30 during traditional pre-launch activities.

See Jovian clouds in striking shades of blue in this new view taken by NASA’s Juno spacecraft.