Although not formally banned, astronauts are strictly discouraged from having sex in space due to health, safety concerns.

Katy Perry, Gayle King and four other women experienced zero gravity as they reached the edge of space on Blue Origin.

Could a reactionless, gravity-defying propulsion system actually work? A former NASA engineer says yes, but scientists are ...

You're probably wondering how astronauts get comfortable while sleeping. Since there's no gravity in outer space, nobody needs a bed. However, astronauts still need to ensure they don't ...

Why stand when you can float? How life without the effect of gravity changes us Space, it’s pretty safe to say, is hostile to us Earthlings. There’s no gravity to keep you and all the bones ...

Katy Perry is gearing up for her journey into space. On April 14 ... The final training will also include zero-gravity simulation flights for the group to acclimate to the weightlessness that ...

Bones and muscles In the weightless environment of space, bones and muscles weaken ... and of course there is no weight in zero gravity, so you have to work against a resistance.