Sergey Volkov

Scott Kelly holds record for US astronaut to spend most time in space

Three NASA astronauts return to Earth after completion of #YearInSpace mission

Touchdown: Scott Kelly makes successful landing on Earth with crew members!

Scott Kelly returns to Earth today after a year in space

See pic – Scott Kelly's last photo of moon from space!

Missed Russian cosmonauts' spacewalk? Here's video for you to watch

Russians go spacewalking to collect experiments, test glue

Russian cosmonauts all set for ISS spacewalk today