space shuttle challenger

40 years ago, Bruce McCandless II performed the first headless spacewalk, creating a milestone in the history of space exploration.

The financial difficulty as well as the lack of specific purpose are the reasons why people do not return to the moon even though the technological level has gone far beyond the

The Rosetta spacecraft took 10 years to cross the journey of more than 6 billion km to bring the robot Philae to land and study comets 67P / Churyumov-Gerasimenko.

On January 28, 1986, the space shuttle Challenger exploded only 73 seconds after being launched from the Kennedy Space Center in the state of Florida (USA), killing all 7