A Soyuz MS-22 spacecraft that is currently docked to the International space station is spewing coolant. [Full Story](https://www.space.com/soyuz-spacecraft-leak-space-station-cancels-spacewalk)<br /><br />The cause of this leak [is] not known at this time," NASA spokesperson Rob Navias said during live commentary. "Russian specialists are continuing to look at the data and discussing what may have triggered the leak." <br /><br />The leak was first detected at 7:45 p.m. EST (0045 Dec. 15 GMT) as cosmonauts Sergey Prokopyev and Dmitri Petelin were preparing to exit the space station for a 7-hour spacewalk outside the station. <br /><br />Credit: NASA
