Outside of a spacesuit, the human body is exposed to extreme temperatures, zero pressure and a vacuum that sucks the air out of your lungs.
Adam Watkins, an associate professor in reproductive and developmental physiology, told Newsweek why he thought sex in space will not be easy.
According to the report, the U.S. must take measures to win a new space race with China, both back to the Moon and eventually to Mars.
After announcing it would leave the ISS after 2024, Roscosmos has revealed a model Russia-only space station.
U.S. Space Command confirmed the Long March 5B rocket re-entered the Earth's atmosphere over the Indian Ocean.
Due to its large size, the first stage of China's Long March 5B rocket won't burn up in the atmosphere.
The U.S. Space Force assessed that the U.S. "did not estimate a significant probability of collision between the CSS and any Starlink spacecraft."
The country launched the core module of its first permanent space station on Thursday, marking a new beginning for the China's ambitious new space program that will host astronauts long-term.
A look at those to have been named as nominees for the coveted prize, before the winner is revealed later in the year.
The Richard Branson-founded space tourism company announced today it has signed a Space Act Agreement with NASA's Johnson Space Center—and shares jumped 13 percent in premarket trading.
The crew is completing a 197-day mission.
Sperm was among the hundreds of things SpaceX sent to the International Space Station.
SpaceX is launching a Falcon 9 rocket that will carry tons of scientific supplies to the International Space Station aboard a Dragon spacecraft.
"We've had space junk falling out of the sky on a regular basis."
Three more astronauts have arrived at the International Space Station.
The rogue space station is expected to crash to Earth in the next few months.
Italian astronaut Paolo Nespoli shared a timelapse of the storms over his home country.
China's space agency lost control of the spacecraft in 2016, five years after the unmanned station was launched.
Russia is testing dust samples from the International Space Station, believing they contain extraterrestrial lifeforms.
An official said authorities would attempt to provide "early warning for possible collision with objects."
Putin is trying to revive Russia's space program, which is beset by problems after years of post-Soviet neglect.
The crewmen, from Russia, America and Germany, have landed their capsule in Kazakhstan after almost six months in orbit
"I have definite personal knowledge of the odors existing inside her anodized aluminum hull," retired Astronaut Clayton C. Anderson writes