As NASA celebrates its fiftieth anniversary, "The Spirit of" takes a look at space. We will examine whether space exploration has progressed as quickly as it could have -- and tak ...

California-based TransAstra is testing an inflatable “Capture Bag” that comes in different sizes and is intended to catch ...

(CNN) — Spaceflight makes certain human stem cells age faster, a new study has found, furthering scientists’ understanding of the potential effects of space exploration on the human body. Stem cells ...