Hostile/closed environments: Maintaining a closed environment like a spacecraft is a hazard in and of itself. The Blue Origin ...

Sunita 'Suni' Williams and Barry 'Butch' Wilmore are headed back to Earth after nine months on the ISS – but their greatest ...

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

Photographer extraordinaire Don Pettit is about to return to Earth following a seven-month stay aboard the space station. Take a moment to enjoy his best work.

For decades, scientists have wondered how the moon can have water. It’s dry, airless, and lacks an atmosphere, so the ...

WASHINGTON-The human body was not built for space flight, with its microgravity conditions, exposure to high-energy radiation and other issues. As a result, trekking beyond the Earth’s confines ...

A team of private astronauts have become the first spacefarers to get an up-close view of the North and South poles – a unique trajectory that Houston researchers hope will provide crucial insights ...

Astronauts also face higher radiation exposure in space than on Earth, which can damage immune cells and disrupt immune function, potentially leading to increased risks of infections and other ...

However, the higher a person is in altitude, the higher the dose of radiation they are exposed to. MORE: NASA astronaut breaks record for longest trip to space by an American Due to prolonged ...