Flight Engineer Cady Coleman demonstrates playing a flute on the International Space Station during an interview with National Public Radio...

Rings of gold are precious for sure, but what can you say about this? Absolutely stunning! NASA rele ased the black hole ring photo, yester...

Our Universe. How big is it? It is for sure an enormous place! That's not secret. What stay for discussion is just how enormous it is....

Date: February 6, 2011: It's official: The sun is a sphere! On Feb. 6th, NASA's twin STEREO probes moved into position on opposite ...

A tiny asteroid passed close by Earth Friday (Feb. 4) but posed no threat of impacting our planet - or even reaching the surface, NASA offic...