NASA astronaut Don Pettit captured this stunning long-exposure view of Earth and stars from space at night from the ...

NASA astronauts are returning to Earth after nine months in space. Experts have said a prolonged period in space can come ...

NASA astronaut Don Pettit has published a surreal video and photograph of Earth that resembles the ending of Christopher ...

Since Sunita 'Suni' Williams returned from the extended ISS mission, viral videos claim to show her with a deformed and ...

Greenhouse gases are doing more than warming our planet — they're reshaping space itself. As emissions cool and shrink the ...

Here's how astronauts Butch Wilmore and Suni Williams physically managed to last 10 month at the International Space Station.

What exactly happens to the body in space and what are the risks? In space, astronauts are exposed to varied and increased ...

Since returning to Earth on March 18 after a nine-month stay at the International Space Station (ISS), NASA astronaut Sunita ...

Suni Williams and Butch Wilmore are gearing up to return toE Earth on Tuesday after an unexpected nine months aboard the ISS, ...

Bone and muscle deterioration, radiation exposure, vision impairment -- these are just a few of the challenges space ...

Exposure to galactic cosmic rays and energetic ... particles hit their retina and optical nerves. After his long stay on the ISS, however, Kelly's cognitive performance was found to have changed ...

Space changes the human body in many ways. From bone loss to bloated faces, here's how microgravity and radiation affect the ...