The human body isn't meant to exist without gravity. The astronauts aboard Artemis II are combatting potential physiological damage using an elegantly engineered exercise machine called the flywheel.

NASA's Artemis II crew has reached Day 8 of their moon mission, and they'll test Orion's manual controls while preparing for ...

This is how the four astronauts sleep, use the bathroom and work out while on their 10-day mission to the moon and back.

The Navy Physical Readiness Test (PRT) sets a basic level of fitness to pass, but to score the maximum points requires ...

Nasa astronauts on the Artemis 2 mission are using a compact 13.6-kg flywheel device to prevent muscle loss. This ...