We've got two top-notch comic-book movies in theaters: "Superman" and a new "Fantastic Four." How do they rank among the best ...

An astronaut from the ISS directed a robotic team, including an AI assistant, on a simulated Martian landscape.

The next four people to launch to the International Space Station have arrived at their launch site.

Why astronauts lose vision in space-and how research on SANS could lead to solutions for both space crews and patients on ...

An astronaut has shared a jaw-dropping gallery of pictures taken in space. NASA's Don Pettit has gained a distinguished ...

Aboard the International Space Station, NASA astronaut Nichole Ayers works on several experiments in microgravity.

Students in Southern Florida will have the chance Monday, July 14 to hear astronauts on the International Space Station answer prerecorded questions.

After 41 years, India will have an astronaut in space. Shukla will be the second Indian in space after Rakesh Sharma’s flight in 1984.

In 1995, Dr. Bernard Harris became the first Black man to do a space walk. His family watched nervously seeing him take off into space.

Referred to as “space lightning” and compared to a jellyfish in shape, the rare weather phenomenon was captured on camera by NASA astronaut Nichole Ayers.

Axiom 4 astronauts depart space station on SpaceX Dragon, prepare for California splashdown Ahead of the spacefarers, under the command of retired NASA astronaut Peggy Whitson, is a daylong cosmic ...

The first astronauts in more than 40 years from India, Poland and Hungary are back on Earth. They closed out their private spaceflight with a splashdown in the Pacific off the California coast.