NASA TV coverage of the spacewalk will begin at 2:15 a.m. EDT. Barratt and Padalka are expected to exit the airlock to begin their exterior work at 2:45 a.m.

NASA says it is adjusting the schedule for some upcoming launches on Florida’s Space Coast.

WASHINGTON — NASA news briefings, live commentary and updates before and after the scheduled Sunday, May 25 arrival of the agency’s Phoenix Mars Lander will be available on NASA Television and ...

And if you just can’t wait, NASA TV has been broadcasting on a regular schedule, and you can tune in at any time to learn more about outer space while we all wait for the countdown to hit zero.

If you want to watch NASA TV but don't have a cable or satellite subscription, you can instead tune in for free using a smart TV, tablet, smartphone, or laptop.

NASA as changed the stranded astronauts' return date yet again. The news of their updated return target comes as Butch Wilmore's daugher Daryn, 19, issues a cryptic message about her dad.