Mark Carreau
October 17, 2025

The seven-member Expedition 73 crew gathers for a portrait inside the International Space Station's Kibo laboratory module. In the front row from left are, Roscosmos cosmonauts Alexey Zubritsky and Sergey Ryzhikov, station Flight Engineer and Commander respectively, and NASA Flight Engineer Jonny Kim. In the back row are, Flight Engineers Kimiya Yui of JAXA (Japan Aerospace Exploration Agency) Oleg Platonov of Roscosmos, and Zena Cardman and Mike Fincke, both from NASA.

The seven-member Expedition 73 crew gathers for a portrait inside the International Space Station’s Kibo laboratory module. In the front row from left are Roscosmos cosmonauts Alexey Zubritsky and Sergey Ryzhikov, station flight engineer and commander respectively; and NASA flight engineer Jonny Kim. In the back row are Flight Engineers Kimiya Yui of the Japan Aerospace Exploration Agency, Oleg Platonov of Roscosmos, and Zena Cardman and Mike Fincke, both from NASA.

Credit: NASA

HOUSTON—Two cosmonauts conducted a spacewalk outside the Russian segment of the International Space Station (ISS) on Oct. 16 to install an experiment and perform various maintenance activities. The more than 6-hr. excursion by Sergey Ryzhikov, the ISS Expedition 73 commander; and fellow cosmonaut…

Mark Carreau

Mark is based in Houston, where he has written on aerospace for more than 25 years. While at the Houston Chronicle, he was recognized by the Rotary National Award for Space Achievement Foundation in 2006 for his professional contributions to the public understanding of America’s space program through news reporting.

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