Crew Earth Observations (CEO) is a simple yet critical mission undertaken by astronauts aboard the ISS. The requirement? Take ...

The astronauts on the I.S.S. — including two who were scheduled to return months ago — held a zero-gravity cookie-decorating ...

The Starliner spacecraft approaches the International Space Station carrying astronauts Butch Wilmore and Suni Williams.

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

Northern California’s Park Fire, a total solar eclipse, hurricane, an aurora borealis and severe weather are all shown in ...

Here are 16 of the best places to go stargazing worldwide, including Sagarmatha National Park in Nepal and Great Basin National Park in Nevada.

NASA said on Friday that its Parker Solar Probe was "safe" and operating normally after successfully completing the ...

A Nasa spacecraft has made history by surviving the closest-ever approach to the Sun. Scientists received a signal from the ...