NASA photographer Josh Valcarcel captured Zena Cardman in a pose evocative of one of the first female astronaut's portraits.

Martian dust might look harmless from millions of miles away, but up close, it could pose a serious threat to your health. As ...

A NASA experiment shows that weightlessness selectively affects bones. The results could change how astronaut health is ...

NASA's celebrity astronauts Butch Wilmore and Suni Williams say they would fly on Boeing's Starliner capsule again.