Only three people have actually died in outer space, as of 2014. During the 1971 flight of the Soyuz 11, three Soviet cosmonauts died when a ventilation valve ruptured, asphyxiating the crew and exposing them to the vacu... More »

Thanks to six moon landings, hundreds of objects are still scattered across the surface of the moon: golf balls, boots, cameras, javelins, sculptures, photographs, and a golden olive branch. Because the moon doesn't have... More »

Astronauts carry out a number of duties in space, including equipment inspection, medical experiments, monitoring Earth, cleaning tools and carrying out repairs, updating computer equipment and taking pictures of various... More »

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Skylab was an experimental space station designed to study the effects that living and working in space for extended periods would have on astronauts. Skylab also conducted nearly 300 experiments that provided scientists... More »

The survival needs of astronauts in space depend on the amount of time in question, but for standard, short missions, they require protection against the frigid temperatures and protection from solar glare and the vacuum... More »

According to LiveScience, as of 2014, 18 astronauts have died during launches or re-entry from space, but none have been lost outside of the Earth's atmosphere. Additionally, three astronauts died in the Apollo 1 fire wh... More »

The purpose of a space suit is to keep astronauts alive in outer space, as the extreme temperatures and lack of an atmosphere mean instant death for a human. Astronauts also wear suits inside the spacecraft sometimes in ... More »