In his final days aboard the space station in a mission that’s lasted six months, American astronaut Don Pettit has shared ...

Getting seven experiments on the International Space Station requires a really good idea. Like a brand new way to attack tumors—one that you can only make in space.

"The tops of this [upward directed lightning] are around 75-80km [47-50 miles], boarding on the fringes of space." ...

On International Women’s Day (8 March), that is the bold call for action for all women and girls worldwide. As we mark the 30th year of the Beijing Declaration and Platform for Action, the world is ...

NASA researchers suggest that adding microbes to space habitats could help astronauts' immune systems stay stronger.