Feb. 7 (UPI) -- Axiom 3 astronauts delivered to the International Space Station by a private mission began their journey home Wednesday as the SpaceX Dragon undocked for the return to Earth.
Astronauts Michael López-Alegría, Walter Villadei, Marcus Wandt, and Alper Gezeravci were onboard along with more than 550 pounds of science supplies, NASA experiments and hardware as they complete an 18-day space mission.