The Artemis II astronauts don't have a lot of space to exercise. That's why they've got the flywheel — a small device that ...

Four astronauts are currently hurtling toward the Moon in a spacecraft no larger than two minivans. On the historic Artemis 2 mission, the secret to staying fit is a 13.6-kilogram device called the ...

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 Orion spacecraft, currently on a Moon mission, houses a compact exercise device to combat muscle atrophy and bone loss ...