<p>A smoke alarm sounded Thursday in Russia's segment of the International Space Station (ISS) and astronauts smelled "burning" on board, Russia's space agency and NASA said.</p>.<p>The incident, which the Russian space agency Roscosmos said happened at 01:55 GMT ahead of a scheduled spacewalk, is the latest in a string of problems to spur safety concerns over conditions on the Russian segment.</p>.<p>"A smoke detector was triggered in the Zvezda service module of the Russian segment of the International Space Station during automatic battery charging, and an alarm went off," Roscosmos said in a statement.</p>.<p><strong>Read more: <a href="https://www.deccanherald.com/science-and-environment/nasas-next-space-telescope-to-launch-in-december-1028454.html" target="_blank">NASA's next space telescope to launch in December </a></strong></p>.<p>French astronaut Thomas Pesquet said "the smell of burning plastic or electronic equipment" wafted to the US segment of the station, Russian state news agency <em>RIA Novosti </em>reported, citing a NASA broadcast.</p>.<p>The Russian crew turned on a filter and after the air was cleaned up the astronauts went back to sleep, Roscosmos said.</p>.<p>The space agency said that a planned spacewalk would go ahead as scheduled.</p>.<p>Russia's Oleg Novitsky and Pyotr Dubrov are scheduled to leave the station to continue work on the Nauka science module that docked in July.</p>.<p>"All systems are operating normally," Roscosmos said.</p>.<p>The Russian segment of the ISS has experienced several problems recently and a space official warned last month that out of date software could lead to "irreparable failures".</p>.<p>The Zvezda service module, part of the Russian segment, has experienced several air leaks, including earlier this year and in 2019.</p>.<p>Citing concerns stemming from ageing hardware, Russia has previously indicated that it plans to leave the ISS after 2025 and launch its own orbital station.</p>.<p>In July, the entire ISS tilted out of orbit after the thrusters of the Nauka module reignited several hours after docking.</p>.<p><strong>Check out the latest DH videos here:</strong></p>
<p>A smoke alarm sounded Thursday in Russia's segment of the International Space Station (ISS) and astronauts smelled "burning" on board, Russia's space agency and NASA said.</p>.<p>The incident, which the Russian space agency Roscosmos said happened at 01:55 GMT ahead of a scheduled spacewalk, is the latest in a string of problems to spur safety concerns over conditions on the Russian segment.</p>.<p>"A smoke detector was triggered in the Zvezda service module of the Russian segment of the International Space Station during automatic battery charging, and an alarm went off," Roscosmos said in a statement.</p>.<p><strong>Read more: <a href="https://www.deccanherald.com/science-and-environment/nasas-next-space-telescope-to-launch-in-december-1028454.html" target="_blank">NASA's next space telescope to launch in December </a></strong></p>.<p>French astronaut Thomas Pesquet said "the smell of burning plastic or electronic equipment" wafted to the US segment of the station, Russian state news agency <em>RIA Novosti </em>reported, citing a NASA broadcast.</p>.<p>The Russian crew turned on a filter and after the air was cleaned up the astronauts went back to sleep, Roscosmos said.</p>.<p>The space agency said that a planned spacewalk would go ahead as scheduled.</p>.<p>Russia's Oleg Novitsky and Pyotr Dubrov are scheduled to leave the station to continue work on the Nauka science module that docked in July.</p>.<p>"All systems are operating normally," Roscosmos said.</p>.<p>The Russian segment of the ISS has experienced several problems recently and a space official warned last month that out of date software could lead to "irreparable failures".</p>.<p>The Zvezda service module, part of the Russian segment, has experienced several air leaks, including earlier this year and in 2019.</p>.<p>Citing concerns stemming from ageing hardware, Russia has previously indicated that it plans to leave the ISS after 2025 and launch its own orbital station.</p>.<p>In July, the entire ISS tilted out of orbit after the thrusters of the Nauka module reignited several hours after docking.</p>.<p><strong>Check out the latest DH videos here:</strong></p>