In Kazakhstan, three astronauts landed safely today following a 115-day mission aboard the International Space Station, including US astronaut Kate Rubins, the first person to sequence DNA in space. <br/><br/>Russian mission control confirmed the touchdown of NASA's Rubins, Roscosmos' Anatoly Ivanishin and Takuya Onishi of the Japan Aerospace Exploration Agency. <br/><br/>The trio landed southeast of the Kazakh steppe town of Zhezkazgan in frosty conditions after a flight from the orbital lab. Their journey home marks the first complete mission at the orbital lab for a new generation of Soyuz spacecraft with upgraded features.