When you buy through links on our articles, Future and its syndication partners may earn a commission.The Aurora Australis, or southern lights, glow red over Earth’s horizon as seen from aboard the International Space Station on Monday, Nov. 24, 2025. In the foreground are the Soyuz MS-27 spacecraft docked to the Prichal module and the Rassvet module awaiting the arrival of Soyuz MS-28 later in the week,. | Credit: NASA/Jonny KimOrbital observationOn Thursday (Nov. 27), Russia’s Soyuz MS-28 spacecraft docked to the Rassvet module with three new crew members for the space station. “In this photo, too, the two spacecraft [Soyuz MS-28 and MS-27] are parked side by side so amicably, aren’t they? With 10 crew members on the ISS during the handover period, it’s quite lively,” wrote flight engineer Kimiya Yui on social media from the International Space Station (ISS).Soyuz MS-28 crewmates NASA astronaut Chris Williams and Roscosmos cosmonauts Sergey Kud-Sverchkov and Sergei Mikaev will spend the next eight months on board.Russia’s Soyuz MS-28 (at center) and Soyuz MS-27 spacecraft are seen docked to the International Space Station, attached to the Rassvet and Prichal modules, respectively, as seen on Thursday, Nov. 27, 2025. | Credit: JAXA/Kimiya YuiScience statusAmong the research that was conducted by the Expedition 73 crew aboard the space station this week was:AdvertisementAdvertisementAdvertisementAdvertisementUltrasound 2 — Doctors on Earth watched live as Zena Cardman used a portable ultrasound to scan Jonny Kim’s chest in an effort to better understand how his heart is adapting to living in space.Droplet — In an effort to create better optical materials and develop better ways to remove pollution, Mike Fincke used a fluorescence microscope to sample hardware so scientists could see how particles behave inside fluids.Station keepingThe Expedition 73 crew also devoted time to maintaining the space station’s systems, including:Soy …