Part of qualifying the Apollo spacecraft was having it float in the Gulf of Mexico for two days with astronauts sealed inside.

The Apollo 17 astronauts photographed one of their PLSS backpacks, unceremoniously dumped on the lunar surface at mission's end. NASA Sometimes a little knowledge can be a dangerous thing, no ...

Where the astronauts sat in the Apollo Lunar Module may have profoundly impacted the way the experience of walking on the Moon affected them.

For Apollo’s Command/Service module, where the astronauts would live most of the time, the limitations were not such a big deal. But for the Lunar Module it was attached to, the challenge was ...

Astronaut Michael Collins felt "absolutely isolated" in orbit while his Apollo 11 crewmates walked on the moon.

How far from the Lunar Module did the Apollo 11 astronauts wander after touching down on the surface of the Moon? Five meters? Twenty? How far did their “small steps” actually carry them?

The mission on the moon then over, astronaut Buzz Aldrin peaked out from the Apollo lunar module onto the powdery grey surface before him, the U.S. flag planted into it – just about the only … ...

Apollo 11 astronaut Major General Michael Collins (USAF (Retired)) has died at the age of 90 after a battle with cancer. In 1969, Collins was the Command Module Pilot for the first crewed lunar ...