Mark Vande Hei and two Russian counterparts landed on Earth on Wednesday as NASA and the Russian space agency seek to sustain cooperation in the face of a strained relationship.

Mark Vande Hei, a NASA astronaut, returned to Earth on Wednesday with two Russian counterparts, landing in Kazakhstan after he spent 355 days in space. Vande Hei and his Russian crewmates, Anton ...

Former NASA astronaut Scott Kelly says he is backing off his high-profile Twitter war with the head of the Russian space agency following a warning from a NASA official that it could damage the ...