NASA has postponed a scheduled EVA today (June 13), as the two astronauts slated for the spacewalk were already putting on their suits.

NASA canceled a spacewalk for the second time this month on Monday after reporting a coolant leak on the umbilical unit on one of the astronaut's spacesuits.

"The spacewalk today, June 13, at the International Space Station did not proceed as scheduled due to a spacesuit discomfort issue," NASA later said on its website.

NASA astronauts Tracy Dyson and Mike Barratt (foreground, from left) in white spacesuits, abandoned plans for a spacewalk on June 24 because of a leak in Dyson's suit.

The spacewalk was set to kick off Monday morning and last about 6.5 hours, according to NASA. The delayed spacewalk is only the latest in a string of setbacks around operations on the ...

NASA has delayed a planned Oct. 12 spacewalk due to a leak of coolant from a Russian module. The cause of the leak remains under investigation.

NASA said a "spacesuit discomfort issue" forced the cancellation of a planned spacewalk outside the International Space Station (ISS) by two U.S. astronauts on Thursday, roughly an hour before ...

NASA astronauts Tracy Dyson and Mike Barratt (foreground, from left) in white spacesuits, abandoned plans for a spacewalk on June 24 because of a leak in Dyson's suit.

NASA canceled a spacewalk for the second time this month on Monday after reporting a coolant leak on the umbilical unit on one of the astronaut's spacesuits.

The spacewalk was set to kick off Monday morning and last about 6.5 hours, according to NASA. The delayed spacewalk is only the latest in a string of setbacks around operations on the ...

The crew was not in danger at any point during the incident, according to NASA. The spacewalk was set to kick off Monday morning and last about 6.5 hours, according to NASA.