On Oct. 19, 2016, the European Space Agency's ExoMars mission arrived at Mars! ‘On This Day in Space’ Video Series on ...

The U.S. Space Force’s X-37B space plane, which has been in operation since its first flight in 2011, will soon execute new ...

The X-37B Orbital Test Vehicle (OTV) has been shrouded in mystery since its maiden flight in 2011. Designed by Boeing and ...

Mars experiences a dynamic seasonal change in its ice caps, causing fascinating geological formations. The European Space ...