NASA

This marked NASA's ninth journey to the Martian surface.

"Today, we proudly announce the Mary W. Jackson NASA Headquarters building."

“That was a beautiful sight to see.”

"Back-to-back wet dress rehearsals" disrupt the astronauts' sleep cycles, NASA chief says.

The countdown was halted less than 17 minutes before the SpaceX Falcon 9 rocket was due to lift off.

"It is clear that I made a mistake in that choice for which I alone must bear the consequences."

They will take an unusual - and more exhausting - route home.

"We realize there will be impacts to NASA missions."

"Her legacy will live on."

Katherine Johnson, the black woman whose mathematical genius took her from a behind-the-scenes job in a segregated NASA as portrayed in the film "Hidden Figures" to a key role in ...

"I'm just so overwhelmed and happy right now."