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 ...

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 ...

How do you go to the bathroom in space? How that question led one local woman to the International Space Station. New episode ...

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

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

NASA's oldest full-time astronaut is back home and doing well a week after wrapping up a seven-month space mission.

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

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

"I didn't look too good because I didn't feel too good," Pettit told reporters during a press conference from NASA's Johnson ...

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