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

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

The human body was not built for spaceflight, with its microgravity conditions, exposure to high-energy radiation and other ...

Astronauts Sunita Williams and Butch Wilmore, who just returned to Earth on Tuesday after an unexpected extended trip to the ...

This week we’re looking at the history of space travel, including the 60th anniversary of the first ever space-walk by Russian cosmonaut Alexei Leonov.

Spending months in space can have serious effects on the human body. NASA astronauts Butch Wilmore and Suni Williams recently ...

Until recently, space exploration has been funded almost exclusively by national governments, with NASA the prime example. In ...

NASA astronauts Butch Wilmore and Suni Williams aren't the first to run late in space, and their 9 ½-month mission falls ...

Space missions are not just about groundbreaking discoveries—they take a serious toll on the human body. Astronauts like ...

Tom Hanks is taking people on a virtual ride to the moon. At Space Center Houston, visitors can experience an immersive 270-degree multi-screen view of the Apollo missions.

Microgravity, confined quarters, and heightened galactic radiation lead to physiological changes. What we’re learning in ...

Space elevators? Nuclear rockets? The future of space travel could look radically different. Imagine taking an elevator to space. Or blasting off in a nuclear rocket. That might sound like science ...