Space Station Photos: Expedition 53 Mission Crew in Orbit

Workin' It


Astronauts Ricky Arnold and Joe Acaba complete a spacewalk.

Ready for a Spacewalk


In the Quest airlock, astronaut Joe Acaba poses with two U.S. spacesuits before his Oct. 20, 2017 spacewalk with Commander Randy Bresnik. [Full Story: Spacewalking Astronauts Install New Cameras and Prep Space Station for Robotic Work]

Pre-Walk Practice


In preparation for their upcoming spacewalk, astronaut Joe Acaba helps Randy Bresnik and Mark Vande Hei through pre-walk exercises to prevent the bends.

100 Days in Space!


Three Expedition 53 astronauts celebrated their 100th day in space on Nov. 5. NASA astronaut Randy Bresnik, European Space Agency astronaut Paolo Nespoli and Russian cosmonaut Sergey Ryazanskiy launched to the International Space Station together in the Soyuz MS-05 spacecraft on July 28.

The Boot


ESA astronaut Paolo Nespoli captured this nighttime image of the "boot" of Italy in southern Europe.

Takin' a Run


On the International Space Station, NASA astronaut Mark Vande Hei jogs on a treadmill.



In the Destiny laboratory module on the International Space Station, astronaut Mark Vande Hei and Paolo Nespoli work on the Combustion Integrated Rack.

Balloons in Space

Randy Bresnik/NASA

Having some fun with balloon animals in space.

Earth from the ISS

Mark Vande Hei/NASA/Twitter

"My first look at Houston from space!" NASA astronaut Mark Vande Hei tweeted on Oct. 26, 2017. "Spotted during #1world1orbit." [One World, One Orbit: Space Station Astronauts Request Photos from Earth]

Look What Grows!

Paolo Nespoli/NASA/Twitter

"A simple fresh lettuce leaf was enough to wake up our taste buds and make us feel like earthlings again!" European Space Agency astronaut Paolo Nespoli tweeted on Oct. 28, 2017. The crew enjoyed fresh pickings of lettuce, cabbage and mizuna harvested from the Veg-03 investigation.

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Christine Lunsford
Producer and Contributing Writer

Christine Lunsford joined the 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, 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.