Space agencies are seeking new ways to be prepared for a surgical emergency on a mission to Mars.
Poor desk posture is pretty similar to the posture astronauts naturally adopt during spaceflight.
How do people in a special airplane flight get to float like there is no gravity – just like astronauts? An aerospace engineer explains.
Empathy and scientific knowledge will be key for astronauts looking to travel to Mars.
The distance between the ISS and Earth is the same as about 3,850 football fields. To bring the station down, rockets will lower it a bit, and then gravity will send it crashing the rest of the way.
To intercept the ISS, the capsule must match the station’s speed, altitude and inclination.
Female astronauts may be better off avoiding combined hormonal contraceptive pills to control their periods in space, according to new research.
Sex technologies and 'erobots' could help address issues related to human desire, and physical and emotional needs of astronauts in space.
An expert explains the challenges of a mission to Mars for younger readers.
The first Martian might just be a human being.
The International Space Station is the biggest human made structure in space and the third brightest object in the sky. But the living conditions for the six astronauts on it are quite cramped.
Space missions are dangerous. But when it comes to long missions, radiation may be the greatest threat to astronauts' health.
In its Cold War race to the moon, the US played Russian roulette with solar storms.
In the future we might get sick of hearing people tell their stories about going to the Moon. Perhaps the Moon will just be like thinking about today's Antarctica – a remote but accessible place.
On the 50th anniversary of man's historic moon landing, Pedro Duque remembers how every child wanted to be an astronaut in 1969.
It seems being in space could make us more reluctant to take risks.
If SpaceX wants to take humans to the International Space Station and beyond it must pull off a safe landing of its Dragon capsule.
Here's what NASA scientists discovered when an astronaut went into space and his twin remained on Earth.
New experiment on the International Space Station could help us tackle muscle loss in astronauts.
New research has uncovered exactly what happens to the brain when astronauts are in space.