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.

Former American Astronaut Michael Fossum visited the Rio Grande Valley Wednesday to talk about his experience and an upcoming event in his hometown. Fossum now ...

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

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 ...

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

Don Pettit, NASA's oldest active astronaut, addressed his eventful return to Earth. Shortly after the spacecraft touched down ...

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 ...