NASA astronaut Scott Kelly watches fresh carrots float in front of him on the International Space Station on Sunday, April 19. Scott is taking part in a one-year mission to test how the human body reacts to an extended time in space.
The northern lights are visible from the International Space Station on Saturday, April 18.
A Soyuz TMA-16M spacecraft approaches the International Space Station on March 27. The spacecraft was carrying Kelly and Russian cosmonauts Gennady Padalka and Mikhail Kornienko. Kelly and Kornienko will spend a year in space. Padalka will stay for six months.
The Soyuz TMA-16M spacecraft launches from the Baikonur Cosmodrome in Kazakhstan on March 27.
Kelly gives the thumbs-up before launch on March 27.
Kornienko tests his spacesuit as Kelly and Padalka wait their turn on March 27.
From left, Kelly, Padalka and Kornienko pose after a news conference at the Baikonur Cosmodrome on Thursday, March 26.
The spacecraft is raised into the vertical position shortly after arriving on the launch pad Wednesday, March 25.
Padalka gets his hair cut in the Cosmonaut Hotel in Baikonur, Kazakhstan, on March 25.
Security personnel stand guard as the Soyuz spacecraft is rolled out by train to the launch pad on March 25. The mission is a first for NASA, but not for Russia. Between 1987 and 1995, four cosmonauts spent a year or more in space.
The Soyuz spacecraft is seen during its journey to the launch pad on March 25.
The crew and backup crew members talk to officials before their final check of the spacecraft on Monday, March 23.
Kelly climbs the stairs to enter the spacecraft during the final check on March 23.
The spacecraft is seen on Friday, March 20, after being lowered into position for encapsulation.
Kelly plays pool with Kornienko at the Cosmonaut Hotel on Thursday, March 19.
Kelly is seen inside a Soyuz simulator at the Gagarin Cosmonaut Training Center in Star City, Russia, on Thursday, March 5.
Kelly and his twin brother, retired astronaut Mark Kelly, speak to media outlets about the one-year mission on January 19. Mark Kelly has volunteered for NASA's "Twins Study" to see how the identical twins change over the year in two very different environments.