Answer #1:
Probably by 2030-2035.
But
Remembered it won't be easy.
One US company has already started bookings for MARS.
BUT
There will not be any guarantee to return EARTH.
==============================================
Answer #2:
The crew of Expedition 39 will be launched and, if all goes well, will take
their places aboard the International Space Station, in March, 2014.
Yes, humans are capable of space travel.
in a space ship
A device that allows humans to travel into space is called a spacecraft. o_O Ya welcome
They travel by rockets
"Will" is incorrect. Humans already carry out space travel. In 1944, a rocket was sent to space (at an altitude of 189 km); Sputnik 1 was launched in 1957.
A... spaceship...? Why do you ask?
They could travel in space in the same way that humans hope to do.
Chemistry questions
keeping humans alive in space and a constant source of energy
space shuttles
why do we need a pistol in space
Hazards of space travel as currently practiced by humans include:high accelerationweightlessnessvacuum - lack of air pressurelack of oxygenradiation exposurecalcium loss from the bonesfireexplosion