The late space pioneer Sally Ride is the subject of a documentary, "Sally," that premiered to acclaim at the Sundance Film ...

Space was one of Sally Ride’s great loves. The National Geographic documentary, directed by Cristina Costantini, Introduces ...

Scientists testing a particle accelerator face a sinister alternate reality in space. A Mars-bound crew discovers an ...

An incredible video captured from the International Space Station shows an aurora from above, rippling with the unusual green ...

Here's what we know about options SpaceX might have to bring the Starliner astronauts home faster from the space station.

Astronauts Butch Wilmore and Suni Williams are conducting a spacewalk outside the International Space Station to remove ...

Director Cristina Costantini's documentary about the first U.S. woman in space bows at the annual Utah film festival.