Astronaut Nicole Mann sits inside a T-38 trainer jet at Ellington Field in Houston, Texas in this image from Nov.…
Astronaut Samantha Cristoforetti looks at the Earth through the cupola, the International Space Station's "window to the world."
Astronaut Jessica Watkins has fun with fluid physics as she observes the behavior of a free-flying water bubble.
Astronaut Kjell Lindgren has fun with fluid physics as he observes the behavior of a free-flying water bubble.
Astronaut Frank Rubio has fun with fluid physics as he observes the behavior of a free-flying water bubble.
Samantha Cristoforetti and Bob Hines have fun with fluid physics as they observe the behavior of a free-flying water bubble.
Astronauts Bob Hines, Frank Rubio, and Jessica Watkins pose for a portrait together inside the the International Space Station's Unity…
Astronaut Bob Hines has fun with fluid physics as he observes the behavior of a free-flying water bubble.
Astronaut Samantha Cristoforetti has fun with fluid physics as she observes the behavior of a free-flying water bubble.
NASA astronaut and Expedition 68 Flight Engineer Bob Hines poses for a portrait inside the cupola, the International Space Station's…
