NASA astronaut Kate Rubins loads engineered heart tissue samples into a science freezer for preservation and later analysis.
NASA astronaut Kate Rubins explores the space-caused aging and weakening of heart muscles that astronauts experience.
NASA astronaut Michael Hopkins examines radish bulbs inside the Advanced Plant Habitat.
In 2020, astronomers added a new member to an exclusive family of exotic objects with the discovery of a magnetar.…
Northrop Grumman's Cygnus space freighter departs the International Space Station moments after being released from the Canadarm2 robotic arm.
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Northrop Grumman's Cygnus space freighter is pictured moments after being released from the Canadarm2 robotic arm.
Northrop Grumman's Cygnus space freighter is pictured attached to the Canadarm2 robotic arm before being released.
Northrop Grumman's Cygnus space freighter is pictured attached to the Canadarm2 robotic arm before being released.
This view from the SpaceX Crew Dragon looks at the Sahara Desert in the African nation of Niger.
