The crewed mission is the first since October, when two astronauts were forced to make an emergency landing.
NASA has stated that it is still committed to using Russian Soyuz rockets to launch astronauts to the ISS.
Two astronauts narrowly escaped disaster today when their Soyuz rocket developed a problem with its booster.
Scientists have calculated the minimum level of radiation that an astronaut will be exposed to on a trip to Mars.
Russian authorities are working to determine if a rogue astronaut may have intentionally drilled the hole.
Russian investigators now believe that the hole in the ISS was created from the inside, not from the outside.
Astronauts have been working to locate and seal a small leak that has opened up aboard the orbiting outpost.
For the first time in 50 years, an astronaut has voluntarily stepped down in the middle of the training program.
The ice deposits could prove to be an important resource for astronauts setting up a manned outpost in the future.
Explorer Darrell Miklos has discovered a strange object after following a map made by astronaut Gordon Cooper.
In a recent Twitter exchange, Leland Melvin described seeing 'something organic/alien-like' in the payload bay.
The nine astronauts will be embarking on the first manned launches from American soil since 2011.
SpaceX CEO Elon Musk has hinted at having astronauts run around the BFR like in 2001: A Space Odyssey.
Audio clips of astronauts talking about their experiences with UFOs have been analyzed for truthfulness.
Lieutenant Norishige Kanai has grown so much while in space that he may no longer fit in the Soyuz capsule.
Astronauts who spend a lot of time in space are at risk of experiencing a rise in core body temperature.
The DNA of microbes found on the International Space Station has been sequenced in space for the first time.
The new system offers a much-needed safety feature to help stranded astronauts get back to the ISS.
The prototype thruster could one day propel the first Mars astronauts all the way to the Red Planet.
NASA has been exploring ways to protect astronauts from deadly radiation during future missions to Mars.