This preflight image from Feb. 6, 2019, shows NASA astronauts Mike Fincke and Nicole Mann and Boeing astronaut Chris Ferguson during spacewalk preparations and training inside the Space Station Airlock Mockup at NASA's Johnson Space Center in Houston.
NASA's record-setting Opportunity rover mission on Mars comes to end.
Robert Curbeam currently holds the record for the most spacewalks during a single spaceflight.
Mary Jackson began her engineering career in an era in which female engineers of any background were a rarity.
Astronaut Buzz Aldrin salutes after being introduced at the 2019 State of the Union address.
When SpaceX's Crew Dragon spacecraft lifts off on its first operational mission to the International Space Station, NASA astronaut Victor Glover will be aboard.
Portions of Cuba, the Bahamas and the Turks and Caicos Islands are viewed from the International Space Station.
NASA lost seven of its own on the morning of Jan. 28, 1986, when a booster engine failed, causing the Shuttle Challenger to break apart just 73 seconds after launch. In this photo from Jan. 9, 1986, the Challenger crew takes a break during countdown training at NASA's Kennedy Space Center.
Fifty years ago on Dec. 21, 1968, Apollo 8 launched from Pad A, Launch Complex 39, Kennedy Space Center at 7:51 a.m. ES).
Russian Search and Rescue teams arrive at the Soyuz MS-09 spacecraft shortly after it landed with Expedition 57 crew members.
SpaceX’s Crew Dragon spacecraft and Falcon 9 rocket are positioned at the company’s hangar at Launch Complex 39A at NASA’s Kennedy Space Center in Florida, ahead of the test targeted for Jan. 17, 2019.