Veteran astronaut: SpaceX and NASA missiles are currently unable to fly to Mars
A retired astronaut predicts that the missiles developed by SpaceX, NASA, and Blue Origin will not succeed in the mission of bringing humans to land on Mars.Astronaut Chris Hadfield is about to retire
Astronaut Chris Hadfield, who used to cushion the guitar and sing in the International Space Station (ISS), announced he would retire from next month.Video: A miserable astronaut squeezes a wet towel on a space station
Although the astronaut squeezed hard, the water refused to leave the towel in a gravityless environment on the International Space Station (ISS).