NASA released their best photos of 2016, featuring images of astronauts, missions, celestial events and other moments of everyday life in the space agency.
NASA's highlights include the return of recording-holding astronaut Scott Kelly, the launch of several rockets and the memorial of NASA astronaut and American hero John Glenn.
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To see all of the best photos of 2016, visit NASA's Flickr page.
A view of Saint Basil's Cathedral in Red Square is seen through the front window of the bus carrying Expedition 47 crew members Friday, Feb. 26, 2016, Moscow, Russia. (NASA/Bill Ingalls)
Expedition 46 Commander Scott Kelly is helped out the Soyuz TMA-18M spacecraft after he and Russian cosmonaut Mikhail Kornienko completed an ISS record year-long mission (NASA/Bill Ingalls)
The gantry arms close around the Soyuz TMA-20M spacecraft to secure the rocket on Wednesday, March 16, 2016 at launch pad 1 at the Baikonur Cosmodrome in Kazakhstan. (NASA/Aubrey Gemignani)
The planet Mercury is seen in silhouette, lower left, as it transits across the face of the sun Monday, May 9, 2016 from NASA Headquarters in Washington, DC. (NASA/Joel Kowsky)
Former NASA astronaut Scott Kelly speaks during an event at the United States Capitol Visitor Center, Wednesday, May 25, 2016, in Washington. (NASA/Bill Ingalls)
Support personnel wait at a helicopter for the arrival of the Soyuz TMA-19M spacecraft near the town of Zhezkazgan, Kazakhstan on Saturday, June 18, 2016. (NASA/Bill Ingalls)
Expedition 47 astronaut Tim Kopra of NASA, center, arrives at the Karaganda Airport with Yuri Malenchenko of Roscosmos, and Tim Peake of the European Space Agency. (NASA/Bill Ingalls)
The final qualification motor (QM-2) test for the Space Launch Systemâs booster, Tuesday, June 28, 2016, at Orbital ATK Propulsion Systems test facilities in Promontory, Utah. (NASA/Bill Ingalls)
An Orthodox Priest blesses members of the media after he blessed the Soyuz rocket at the Baikonur Cosmodrome Launch pad on Wednesday, July 6, 2016 in Kazakhstan. (NASA/Bill Ingalls)
The Soyuz MS-01 spacecraft launches from the Baikonur Cosmodrome, Thursday, July 7, 2016. (NASA/Bill Ingalls)
In this 30 second exposure, a meteor streaks across the sky during the annual Perseid meteor shower Friday, Aug. 12, 2016 in Spruce Knob, West Virginia. (NASA/Bill Ingalls)
Saint Basil's Cathedral is reflected in the window of the bus that brought Expedition 49 to Red Square, Thursday, Sept. 1, 2016 in Moscow. (NASA/Bill Ingalls)
The Soyuz TMA-20M spacecraft is seen as it lands near the town of Zhezkazgan, Kazakhstan on Wednesday, Sept. 7, 2016 (NASA/Bill Ingalls)
NASA astronaut Jeff Williams, Russian cosmonaut Alexey Ovchinin of Roscosmos and Russian cosmonaut Oleg Skripochka of Roscosmos are seen inside the Soyuz TMA-20M spacecraft. (NASA/Bill Ingalls)
NASA astronaut Anne McClain poses for a photograph at an art installation called "The Park People Series" during the South by South Lawn White House festival, Monday, Oct. 3, 2016. (NASA/Bill Ingalls)
The Soyuz MS-02 rocket is launchedWednesday, Oct. 19, 2016 at the Baikonur Cosmodrome in Kazakhstan. (NASA/Joel Kowsky)
Astronaut Mark Kelly, takes a selfie with Kid Science Advisor Jacob Leggette during a meeting with ten other Kid Science Advisors, Friday, October 21, 2016 at the White House. (NASA/Aubrey Gemignani)
The Soyuz MS-01 spacecraft is seen as it lands near the town of Zhezkazgan, Kazakhstan on Sunday, Oct. 30, 2016. (NASA/Bill Ingalls)
The moon, or supermoon, is seen as it sets over the Martin Luther King Jr. Memorial on Monday, Nov. 14, 2016. (NASA/Aubrey Gemignani)
The Soyuz launch pad is seen ahead of the Soyuz rocket being rolled out by train at the Baikonur Cosmodrome, Kazakhstan, Monday, Nov. 14, 2016. (NASA/Bill Ingalls)
NASA astronaut Peggy Whitson gets her hair cut, Monday, Nov. 14, 2016 at the Cosmonaut Hotel in Baikonur, Kazakhstan. (NASA/Bill Ingalls)
The supermoon is seen rising behind the Soyuz rocket at the Baikonur Cosmodrome launch pad in Kazakhstan, Monday, Nov. 14, 2016. (NASA/Bill Ingalls)
Former astronaut and U.S. Senator John Glenn lies in repose, under a United States Marine honor guard, in the Rotunda of the Ohio Statehouse in Columbus, Friday, Dec. 16, 2016. (NASA/Bill Ingalls)
Annie Glenn, widow of former astronaut John Glenn, pays her respects to her late husband under a United States Marine honor guard, in the Rotunda of the Ohio Statehouse in Columbus (NASA/Bill Ingalls)