NASA veteran Pettit made ISS his second home, where he spent time doing research and created the zero-gravity Space Cup.

The physicist, one of the women who has spent the most time outside a spacecraft, discusses NASA, new technology, and what it ...

A NASA rover taking rock samples on Mars has uncovered a plentiful mineral that was invisible to orbiters studying the Red ...

Cake, gifts and a low-key family celebration may be how many senior citizens picture their 70th birthday. But NASA’s oldest ...

NASA's Lucy spacecraft has beamed back pictures from its latest asteroid flyby, revealing a long, lumpy, odd-shaped space ...