Two U.S. astronauts have been stuck on the International Space Station for months. A reader wonders what purpose that ...

The simulation involved two full teams of flight controllers, the Sierra Space team in Colorado and the NASA team in Houston, ...

As competition in the new space race ramps up with China, the United States is preparing to deorbit the International Space ...

City lights streak across Earth and an aurora is visible on the horizon as the International Space Station passes over Lake ...

Carefully crafted wooden box, LignoSat, is on its own Japan's wooden satellite, LignoSat, has been deployed into orbit from ...

Most of the Expedition 72 crew enjoyed a day off on Tuesday, while two NASA astronauts focused on cutting-edge human research ...

NASA astronaut Don Pettit shared jaw-dropping footage of an undulating green aurora as seen during a flyover from the International Space Station.

Expedition 72 is kicking off the New Year by preparing for an upcoming spacewalk to service scientific equipment and install ...

Pictures from the International Space Station do not disappoint, from comets and northern lights to giant hurricanes and ...

Iowa native and prolific astronaut — first with NASA for three decades and recently as director of human space flight for ...

From uncrewed lunar missions to the launch of the first private space station, here's a sneak peek at the space missions that ...