Space Station Photos: Expedition 50 Astronauts in Action

Making Her Mark

ESA/NASA

Peggy Whitson signs a bulkhead on the International Space Station next to the Expedition 50 crew patch.

A Lasting Legacy

ESA/NASA

Shane Kimbrough signs a bulkhead on the Russian segment of the International Space station next to the crew patch for his Soyuz MS-03 spacecraft.

Doctor and Patient

ESA/NASA

Cosmonauts Sergei Ryzhikov and Oleg Novitskiy participate in joint medical research at the International Space Station. Thomas Pesquet took this photo of his "patient" on March 9, 2017 as he measured Ryzhikov's blood pressure, heart rate and pulse oxymetry while doing ultrasounds.

HUNCH initiative

ESA/NASA

Peggy Whitson poses next to a locker in the Dragon cargo craft that is covered in signatures from participants of NASA's HUNCH (High School Students United with NASA to Create Hardware) educational initiative on March 9, 2017.

Dinnertime

ESA/NASA

Expedition 50 crewmembers enjoy a meal together at the International Space Station.

Parts for the ISS

ESA/NASA

Thomas Pesquet holds one of the cameras Kimbrough would replace on the Japanese robotic arm during a spacewalk on March 24.

Cool Dudes

ESA/NASA

Thomas Pesquet and Shane Kimbrough pose for a selfie in the Cupola before using the space station’s robotic arm to undock the Dragon cargo ship, which splashed down into the Pacific Ocean on March 19.

Tomatosphere

ESA/NASA

Thomas Pesquet holds bags filled with 1.2 million tomato seeds for the Tomatosphere project run by the Canadian Space Agency. Students in 20,000 classrooms across Canada and the U.S. will receive the seeds when they return to Earth. The students will grow the tomato plants and compare them to tomato plants grown from seeds that didn't fly to space.

A Bit of Home

ESA/NASA

Thomas Pesquet's inflatable Air France airplane floats in the Cupola at the International Space Station. A docked Soyuz spacecraft is visible through the window.

Space Lettuce

ESA/NASA

Thomas Pesquet and Peggy Whitson eat home-grown lettuce at the International Space Station.

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Christine Lunsford
Producer and Contributing Writer

Christine Lunsford joined the Space.com team in 2010 as a freelance producer and later became a contributing writer, covering astrophotography images, astronomy photos and amazing space galleries and more. During her more than 10 years with Space.com, oversaw the site's monthly skywatching updates and produced overnight features and stories on the latest space discoveries. She enjoys learning about subjects of all kinds.