The SpaceX Dragon cargo spacecraft has completed its six-month mission at the International Space Station (ISS) and returned to Earth. On board, it brought back a significant amount of scientific materials and samples for further research.

Participating in NASA’s commercial cargo program, SpaceX Dragon delivered frozen research samples from the Destiny laboratory module to Earth. Special scientific freezers installed on the spacecraft were used to preserve these samples. Currently, Dragon remains the only cargo vehicle capable of returning large quantities of scientific materials and temperature-sensitive biological samples to Earth.

Following Dragon’s return, two more spacecraft are scheduled to undock. One of them is the HTV-X1 from the Japan Aerospace Exploration Agency (JAXA). It is planned to be detached from the Harmony module’s port using the Canadarm2 robotic arm in early March and released into orbit the next day. The spacecraft will remain in orbit for several weeks to test new antenna technologies, improved solar panels, and to deploy small CubeSat satellites. After completing its mission, HTV-X1 will re-enter the atmosphere over the southern Pacific Ocean and burn up, ensuring the safe disposal of station waste.

The second spacecraft, Cygnus XL from Northrop Grumman, is filled with waste. It was launched on September 14, arrived at the station on September 18, and was installed in the Unity module. Later, Cygnus XL will also re-enter Earth’s atmosphere and burn up over the southern Pacific Ocean, performing the function of controlled waste disposal in orbit.

Scientific activity on the ISS continues without interruption. Research is being conducted in the fields of human physiology and materials science, including heart activity monitoring and experiments in microgravity. Regular fitness assessments are carried out on the station’s treadmill to prevent muscle atrophy due to weightlessness. These activities contribute to the ongoing advancement of space exploration.