Maurer's apparent helmet leak was not noticed until the airlock was repressurized at the end of the spacewalk. "The HAP (helmet absorption pad) is a little bit moist, but I think it would have ...

European Space Agency astronaut Matthias Mauer was wrapping up a 7-hour long spacewalk outside the International Space Station when he noticed water leaking into his helmet. "I think we should ...

This may be the closest I'll ever get to outer space, but I haven't left Midtown Manhattan. I'm peering at our distant world using a special "space" helmet that re-creates the dizzying sensation ...

Hypergiant Industries built an "Iron Man"-inspired space helmet called HyperVSR, which can display details like an astronaut's vital signs or other information about a mission.

We tried Nat Geo's new virtual-reality "Space Projection Helmet" for the series premiere of "One Strange Rock," and it was awesome.