Mark Vande Hei

Two astronauts to venture out of the ISS for a long spacewalk on Friday

NASA postpones second spacewalk, schedules it for mid-February

NASA astronaut Mark Vande Hei captures first space-selfie of 2018 – See pic

It's a wrap! NASA astronauts successfully complete 2018's first spacewalk

Astronauts all set to venture out of the ISS for 2018's first spacewalk today

Space is closer than you think: NASA astronaut shares magnificent image of Earth

Series of three spacewalks in October, ISS' Expedition 53 crew to take the reins