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 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.

HOUSTON—Artemis II mission crewmembers conducted a translunar injection (TLI) maneuver on April 2 that cast them out of the low point of a high Earth orbit and placed their Orion capsule on a ...

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