Shannon Lucid gives a guided tour of the Mir space station

Four unidentified Russian military satellites rode a modified Soyuz booster into orbit Wednesday from a remote space base north of Moscow.

A video camera mounted aboard the United Launch Alliance Delta 2 rocket beamed back remarkable views of NASA’s SMAP spacecraft being deployed into orbit and opening its solar panels Saturday.

A Russian cosmonaut and his two NASA crewmates undocked from the International Space Station and landed in Kazakhstan early Friday, returning to an unfamiliar world in the grip of a pandemic that will force them to extend the social isolation they were hoping to end.