To explore and work in space, human beings must take their environment with them because there is no atmospheric pressure and no oxygen to sustain life. Inside the spacecraft, the atmosphere can ...

On April 12, 1961, Yuri Gagarin lifted off from Baikonur in the Vostok I capsule, becoming the first human in space. A year later, Soviet engineers described a space station comprised of modules ...

A rare ring of light surrounding a galaxy nearly 590 million light-years away from Earth has been discovered by a space ...