ISS astronauts gear up for second spacewalk Friday

NASA's Scott Kelly and Kjell Lindgren set to venture back outside the space station to work on its once-leaky cooling system

• Nov 5, 2015

Space station astronauts carry out extended spacewalk

Space station skipper Scott Kelly and Kjell Lindgren take longer than expected to complete a variety of maintenance tasks

• Oct 28, 2015

Space station astronauts set for spacewalk

Space station commander Scott Kelly and Kjell Lindgren head outside Wednesday for a 6.5-hour spacewalk

• Oct 27, 2015

Russian spacewalk ends with camera failure

Two Russian astronauts’ eight-hour spacewalk outside the International Space Station ended in failure on Friday, as they were unable to successfully transmit data to Russian mission control from high-resolution cameras placed outside the station

• Dec 27, 2013
• 00:22

Spacewalk success: Astronauts replace refrigerator-size pump

Astronauts Mike Hopkins and Rich Mastracchio successfully repaired a cooling system on the International Space Station

• Dec 24, 2013
• 02:08

Astronauts’ spacesuits cause problems as repairs are finished on ISS

Terrell Brown reports on what it takes to keep them safe

• Dec 23, 2013
• 02:44

Space walk may be required to fix space station cooling system

A startling discovery is made on one of Saturn's moons

• Dec 13, 2013
• 03:24

Raw video: Astronauts spacewalk

Astronauts Chris Cassidy and Luca Parmitano conducted a six-hour spacewalk outside the International Space Station on Tuesday

• Jul 9, 2013
• 00:49

ISS crew completes spacewalk, washes windows

While their shipmates enjoyed space-grown veggies inside, two Russian cosmonauts performed maintenance operations outside

• Aug 10, 2015

Hubble marks 25 years in space

After a rocky start a quarter century ago, the Hubble Space Telescope has achieved rock-star status in the world of big science

• Apr 20, 2015

​Calendar: Week of March 16

"Sunday Morning" takes a look at some notable events of the week ahead

• Mar 15, 2015