Thu, 10/26/2023 - 10:40 Gizmodo A bubble of coolant leaked out of a radiator attached to the International Space Station (ISS), jeopardizing an ongoing spacewalk by two Russian cosmonauts on Wednesday.Read more... Tags jasmin moghbeli, gennady padalka, pavel vinogradov, oleg kononenko, nikolai chub, poisk, International Space Station, nauka, heroes of the russian federation, extravehicular activity Source Bubble of Toxic Coolant Abruptly Ends Russian ISS Spacewalk