President Donald Trump on Monday celebrated National Astronaut Day on the 64th anniversary of Alan Shepard becoming the first ...

As they returned to the airlock, the Earth below started to put on a lightning show, and Ayers took note, mesmerized. A day ...

The first spacewalk was conducted in 1965, by Russian cosmonaut Alexey Leonov. Nearly 20 years later, cosmonaut Svetlana ...

Chinese astronaut conduct a spherical flame experiment during an orbit to ground space lecture using a match and a candle.

Samantha McClelland, a senior at Forest Hills Northern High School, won the Roger B. Chaffee Scholarship after writing about ...

She was an astronaut, an International Space Station alum, and an aquanaut before she turned 40. It all happened because she ...

Veteran astronaut Don Pettit conducted hundreds of hours of research and captured over half a million photos during his ISS ...

NASA says the change is part of the agency's "continued effort to enable a robust commercial industry and supports policy ...

The recent all-women spaceflight carried out on Jeff Bezos’s Blue Origin vehicle has raised discussion of who gets to be ...

It's been more than six decades since Alan Shepard launched on his famous suborbital flight. What would think of the U.S. space program today?

"We're opening the door to new countries, institutions and individuals that can bring new ideas that can really fuel an ...

NASA and state officials kicked off Pennsylvania’s Aerospace Day at the Harrisburg School District Tuesday morning by ...