In one of the most politicized and closely-followed space missions, Sunita Williams, an astronaut of Indian descent, spent ...

Ron Mallett, a physicist and professor emeritus at the University of Connecticut, was just 10 years old when he lost his ...

Spending nearly 10 months stranded in space might sound like a nightmare for the body—loss of muscle mass, weakened bones, ...

The Sunbird nuclear fusion rocket concept has the potential to more than halve the time to travel to Mars and cut travel time ...

NASA astronauts like Peggy Whitson, Sunita Williams, and Scott Kelly have set records for the longest space missions on the ...

After 286 days in space, Sunita Williams and Barry "Butch" Wilmore rank 9th among astronauts with the longest single ...

Bone and muscle deterioration, vision impairment — even changes in DNA. How does extended time in orbit impact the human body ...

NASA astronaut Sunita Williams has spent 608 days in space, making her the second longest-time astronaut in history. But who ...

Now, a SpaceX Dragon spacecraft, which carried four astronauts to the ISS on a routine assignment, is bringing back Williams ...

The Dragon capsule carrying four astronauts touched down safely off the coast of Florida shortly before 6pm Tuesday ...

Suni Williams and Butch Wilmore do not get overtime for their unexpectedly long stay on the International Space Station, ...

NASA broke down how much stranded astronauts Butch Willmore and Suni Williams made during their extended orbit in space. Find ...