TL;DR: SpaceX's uncrewed CRS-35 Dragon launched Oct. 13 and docked Oct. 15 to deliver more than 6,300 pounds of science, supplies and the final pair of roll-out solar arrays to the International Space Station for Expedition 75.
Dragon arrives with final power upgrade
At 10:27 a.m. EDT on Oct. 15, 2026, the uncrewed SpaceX Dragon spacecraft completed its automated docking to the space-facing port on the Harmony module of the International Space Station, according to SpaceX Dragon Docks with Science, Supplies, and Roll-Out Solar Arrays.
The arrival brought the total number of spacecraft attached to the orbiting laboratory to five, according to Crew Unpacks Dragon and Begins Activating New Science Experiments.
The five-spacecraft configuration on Oct. 15, 2026, included the SpaceX CRS-35 and Crew-13 Dragons, the Soyuz MS-29 crew spacecraft, and the Progress 95 and 96 resupply ships, according to Crew Unpacks Dragon and Begins Activating New Science Experiments.
This flight is SpaceX's 35th commercial resupply services mission to the space station for NASA, according to SpaceX Dragon Docks with Science, Supplies, and Roll-Out Solar Arrays.
The mission began with a launch atop a Falcon 9 rocket at 6:33 a.m. EDT on Oct. 13 from Florida, according to Crew Unpacks Dragon and Begins Activating New Science Experiments.
The specific launch site was Space Launch Complex 40 at Cape Canaveral Space Force Station in Florida, according to NASA Science, Cargo Launch on 35th SpaceX Resupply Mission to Station.
The Falcon 9 carried more than 6,300 pounds of new science, supplies, and roll-out solar arrays bound for the International Space Station, according to Crew Unpacks Dragon and Begins Activating New Science Experiments.
NASA's SpaceX 35th commercial resupply mission lifted off at 6:33 a.m. EDT aboard a Falcon 9 rocket from Space Launch Complex 40, carrying more than 6,300 pounds of supplies and hardware, according to NASA Science, Cargo Launch on 35th SpaceX Resupply Mission to Station.
Following its successful launch, the SpaceX Dragon spacecraft carried new scientific experiments, cargo, and the final pair of International Space Station Roll-Out Solar Arrays to the orbiting laboratory, according to NASA Science, Cargo Launch on 35th SpaceX Resupply Mission to Station.
Dragon delivered more than 6,300 pounds of food, supplies, and equipment for the Expedition 75 crew, according to SpaceX Dragon Docks with Science, Supplies, and Roll-Out Solar Arrays.
Dragon was scheduled to autonomously dock at 11 a.m. on Thursday, Oct. 15, to the space-facing port of the station's Harmony module, according to NASA Science, Cargo Launch on 35th SpaceX Resupply Mission to Station.
The actual docking occurred at 10:27 a.m. EDT to the space-facing port of the International Space Station's Harmony module, according to SpaceX Dragon Docks with Science, Supplies, and Roll-Out Solar Arrays.
NASA planned to stream rendezvous and docking coverage beginning at 9:15 a.m. through a variety of platforms, according to NASA Science, Cargo Launch on 35th SpaceX Resupply Mission to Station.
The Dragon spacecraft is scheduled to remain at the space station until mid-November, according to SpaceX Dragon Docks with Science, Supplies, and Roll-Out Solar Arrays.
When it departs in mid-November, Dragon will return to Earth with time-critical research and cargo, according to NASA Science, Cargo Launch on 35th SpaceX Resupply Mission to Station.
The return will end with a splashdown off the coast of California, according to SpaceX Dragon Docks with Science, Supplies, and Roll-Out Solar Arrays.
Crew opens hatch and moves time-sensitive science
Shortly after Dragon's arrival on Oct. 15, NASA flight engineer Anil Menon conducted pressure and leak checks then equalized pressure between the cargo spacecraft and the space station, according to Crew Unpacks Dragon and Begins Activating New Science Experiments.
After pressure equalization, Menon opened the hatch and entered Dragon, according to Crew Unpacks Dragon and Begins Activating New Science Experiments.
Menon was followed into Dragon by flight engineers Jessica Watkins and Luke Delaney of NASA and Joshua Kutryk of CSA, the Canadian Space Agency, according to Crew Unpacks Dragon and Begins Activating New Science Experiments.
The quartet quickly got to work transferring a variety of critical scientific samples from portable science freezers and incubators into station science freezers and research racks for upcoming study and analysis, according to Crew Unpacks Dragon and Begins Activating New Science Experiments.
The transfer moved samples from portable science freezers and incubators carried aboard Dragon into station science freezers and research racks, according to Crew Unpacks Dragon and Begins Activating New Science Experiments.
The Expedition 75 crew members have begun unloading Dragon and are activating new science experiments to benefit life on and off the Earth, according to Crew Unpacks Dragon and Begins Activating New Science Experiments.
Some of the new experiments will soon explore creating artificial retinas and growing heart tissues in weightlessness, according to Crew Unpacks Dragon and Begins Activating New Science Experiments.
Other investigations being activated on Friday and over the weekend include growing protein crystals to develop more precise cancer treatments, according to Crew Unpacks Dragon and Begins Activating New Science Experiments.
Additional investigations being activated on Friday and over the weekend include observing the genetic response of plants growing in microgravity to advance spacecraft life support systems, according to Crew Unpacks Dragon and Begins Activating New Science Experiments.
Aboard the Dragon spacecraft is the final set of International Space Station Roll-Out Solar Arrays, or IROSAs, which will be installed later this fall, according to SpaceX Dragon Docks with Science, Supplies, and Roll-Out Solar Arrays.
The spacecraft also is delivering hardware to manufacture artificial retinas in microgravity to help restore vision on Earth, according to SpaceX Dragon Docks with Science, Supplies, and Roll-Out Solar Arrays.
The spacecraft is delivering 3D heart tissue models to advance large-scale drug testing on future missions, according to SpaceX Dragon Docks with Science, Supplies, and Roll-Out Solar Arrays.
The spacecraft will carry materials to study how a new type of glass forms in microgravity, according to SpaceX Dragon Docks with Science, Supplies, and Roll-Out Solar Arrays.
The spacecraft is carrying brain organoids that could reveal treatment targets for neurodegenerative diseases, such as Alzheimer's, Parkinson's, and multiple sclerosis, according to SpaceX Dragon Docks with Science, Supplies, and Roll-Out Solar Arrays.
Dragon also is delivering several new experiments, including hardware to manufacture artificial retinas in microgravity that could help restore vision for patients on Earth, according to NASA Science, Cargo Launch on 35th SpaceX Resupply Mission to Station.
Dragon is delivering 3D heart tissue models to advance large-scale drug testing on future space missions, according to NASA Science, Cargo Launch on 35th SpaceX Resupply Mission to Station.
Dragon also will carry materials to study how a new type of glass is formed in microgravity, according to NASA Science, Cargo Launch on 35th SpaceX Resupply Mission to Station.
Dragon is carrying brain organoids that could uncover potential treatment targets for neurodegenerative diseases like Alzheimer's, Parkinson's, and multiple sclerosis, according to NASA Science, Cargo Launch on 35th SpaceX Resupply Mission to Station.
These deliveries are a sample of the hundreds of investigations conducted aboard the orbiting laboratory in the areas of biology and biotechnology, physical sciences, and Earth and space science, according to NASA Science, Cargo Launch on 35th SpaceX Resupply Mission to Station.
Research and technology investigations taking place aboard the space station benefit people on Earth and lay the groundwork for other agency deep space missions, according to NASA Science, Cargo Launch on 35th SpaceX Resupply Mission to Station.
As part of NASA's Artemis program, the agency will send astronauts to the Moon to prepare for future human exploration of Mars, according to NASA Science, Cargo Launch on 35th SpaceX Resupply Mission to Station.
Retinas, heart tissue and crystal growth lead research manifest
Hardware to manufacture artificial retinas in microgravity that could help restore vision for patients on Earth is among the new experiments aboard Dragon, according to NASA Science, Cargo Launch on 35th SpaceX Resupply Mission to Station.
The artificial retina hardware will support manufacturing in microgravity to help restore vision on Earth, according to SpaceX Dragon Docks with Science, Supplies, and Roll-Out Solar Arrays.
Creating artificial retinas in weightlessness is one of the experiments that will soon be explored aboard the station, according to Crew Unpacks Dragon and Begins Activating New Science Experiments.
Growing heart tissues in weightlessness is another investigation that will soon be explored aboard the station, according to Crew Unpacks Dragon and Begins Activating New Science Experiments.
The 3D heart tissue models are intended to advance large-scale drug testing on future space missions, according to NASA Science, Cargo Launch on 35th SpaceX Resupply Mission to Station.
The 3D heart tissue models are described as advancing large-scale drug testing on future missions, according to SpaceX Dragon Docks with Science, Supplies, and Roll-Out Solar Arrays.
Growing protein crystals to develop more precise cancer treatments is among the investigations being activated on Friday and over the weekend, according to Crew Unpacks Dragon and Begins Activating New Science Experiments.
Observing the genetic response of plants growing in microgravity to advance spacecraft life support systems is among the investigations being activated on Friday and over the weekend, according to Crew Unpacks Dragon and Begins Activating New Science Experiments.
Materials to study how a new type of glass is formed in microgravity are aboard Dragon, according to NASA Science, Cargo Launch on 35th SpaceX Resupply Mission to Station.
Materials to study how a new type of glass forms in microgravity are aboard Dragon, according to SpaceX Dragon Docks with Science, Supplies, and Roll-Out Solar Arrays.
Brain organoids that could uncover potential treatment targets for neurodegenerative diseases like Alzheimer's, Parkinson's, and multiple sclerosis are aboard Dragon, according to NASA Science, Cargo Launch on 35th SpaceX Resupply Mission to Station.
Brain organoids that could reveal treatment targets for neurodegenerative diseases, such as Alzheimer's, Parkinson's, and multiple sclerosis, are aboard Dragon, according to SpaceX Dragon Docks with Science, Supplies, and Roll-Out Solar Arrays.
The critical scientific samples transferred from portable science freezers and incubators into station science freezers and research racks will support upcoming study and analysis, according to Crew Unpacks Dragon and Begins Activating New Science Experiments.
The new science experiments are being activated to benefit life on and off the Earth, according to Crew Unpacks Dragon and Begins Activating New Science Experiments.
Final IROSA pair sets up fall spacewalks
The final pair of solar arrays will complete the space station's power system augmentation, according to NASA Science, Cargo Launch on 35th SpaceX Resupply Mission to Station.
The augmentation will boost available electricity for research, operations, and the station's safe, controlled deorbit, according to NASA Science, Cargo Launch on 35th SpaceX Resupply Mission to Station.
A pair of roll-out solar arrays are installed inside Dragon's unpressurized trunk, according to Crew Unpacks Dragon and Begins Activating New Science Experiments.
The arrays in Dragon's unpressurized trunk will soon be retrieved by the Canadarm2 robotic arm, according to Crew Unpacks Dragon and Begins Activating New Science Experiments.
Engineers on the ground will remotely command Canadarm2 to remove the roll-out solar arrays from Dragon, according to Crew Unpacks Dragon and Begins Activating New Science Experiments.
Engineers on the ground will remotely command Canadarm2 to temporarily stow the arrays on logistics platforms on the station's truss structure, according to Crew Unpacks Dragon and Begins Activating New Science Experiments.
Menon and Kutryk will finalize the installation of the roll-out solar arrays during a pair of spacewalks scheduled for Oct. 29 and Nov. 5, according to Crew Unpacks Dragon and Begins Activating New Science Experiments.
The solar arrays will be activated on the truss structure augmenting the space station's power generation system, according to Crew Unpacks Dragon and Begins Activating New Science Experiments.
Astronauts will install the arrays during a series of spacewalks planned for later this fall, according to NASA Science, Cargo Launch on 35th SpaceX Resupply Mission to Station.
The final set of International Space Station Roll-Out Solar Arrays, or IROSAs, will be installed later this fall, according to SpaceX Dragon Docks with Science, Supplies, and Roll-Out Solar Arrays.
Expedition 75 splits time between cargo and robotics research
Station commander Pyotr Dubrov and flight engineer Anna Kikina of Roscosmos wrapped up a weeklong study exploring the use of an exoskeleton suit to remotely control robots, according to Crew Unpacks Dragon and Begins Activating New Science Experiments.
The duo investigated wearing the specialized Teledroid suit while using virtual reality goggles and operating hand controls to manipulate tools in a simulated space environment, according to Crew Unpacks Dragon and Begins Activating New Science Experiments.
Results may help crew members prepare for remote robotics operations on future long-term space exploration missions, according to Crew Unpacks Dragon and Begins Activating New Science Experiments.
Roscosmos flight engineer Sergey Teteryatnikov participated in a different virtual reality study wearing a headset and responding to computerized stimuli, according to Crew Unpacks Dragon and Begins Activating New Science Experiments.
The virtual reality study tested how Teteryatnikov's sense of balance and orientation are adapting to weightlessness, according to Crew Unpacks Dragon and Begins Activating New Science Experiments.
Teteryatnikov wrapped up his shift at the end of the week inspecting hydraulics components and servicing the Elektron oxygen generator, according to Crew Unpacks Dragon and Begins Activating New Science Experiments.
Station activities can be followed through the space station blog, @space_station on X, as well as the ISS Facebook and ISS Instagram accounts, according to Crew Unpacks Dragon and Begins Activating New Science Experiments.
More information about the International Space Station, its research, and crew is available through NASA's station resources, according to NASA Science, Cargo Launch on 35th SpaceX Resupply Mission to Station.