NASA has selected a proposed solar mission for further study as part of its Small Explorer programme, extending early design ...

Add Yahoo as a preferred source to see more of our stories on Google. On Dec. 16, 1962, NASA launched the Explorer 16 spacecraft to study micrometeoroids near Earth. [‘On This Day in Space’ Video ...

After nearly three decades of service, NASA astronaut Suni Williams has officially retired from the space agency.

The vast majority of NASA's employees could be furloughed and all but its most critical operations – including management of the International Space Station – are likely to be paused. Many NASA ...