Sea ice plays many important roles for the global climate: Its white surface can reflect energy back into space, helping the ...

NASA said on Thursday it was moving toward certifying Boeing's CST-100 Starliner for crewed flights later this year or by ...

NASA officials have announced the delay of an upcoming cargo resupply mission, meaning astronauts at the International Space ...

Here are the best times and US locations to see the amazing sight - Only parts of the U.S. will be able to catch the ...