
The waning gibbous Moon is photographed above the Indian Ocean.

Astronauts Koichi Wakata and Frank Rubio swap research hardware on the NanoRacks External Platform.

The Emi Koussi volcano in Chad was photographed from the International Space Station.

Astronaut Koichi Wakata peers at the Earth below from inside the cupola.

Astronomers have made the most extensive study yet of how magnetically active stars are when they are young. This gives…

Colleen Hartman, director of physics, aeronautics, and space science at the National Academies of Science , left, and NASA Administrator…

A SpaceX Falcon 9 rocket with the Surface Water and Ocean Topography (SWOT) spacecraft onboard is seen as it rolls…

The city lights of Dubai, United Arab Emirates, are pictured from the International Space Station.

The city lights of Doha, Qatar, are pictured from the International Space Station.