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As Earth completed its orbit around the Sun to close out 2025, the International Space Station circled our planet more than 5,800 times. Serving as humanity’s unique laboratory in space, the station has hosted thousands of experiments and technology demonstrations, advancing science in ways that cannot be replicated on Earth.
In 2025 alone, more than 750 experiments supported exploration missions, improved life on Earth, and opened commercial opportunities in low Earth orbit. The space station continues to drive innovation by enabling human exploration of the Moon and Mars, transforming medical research, deepening our understanding of the universe, and fostering a growing commercial economy.
Read through just a handful of 2025’s innovative research achievements from the orbiting laboratory.
On Nov. 2, 2025, humanity reached a milestone of cosmic proportions: 25 years of continuous human presence aboard the International Space Station. Since the first crew arrived on Nov. 2, 2000, NASA and its partners from around the world have conducted more than 4,000 research investigations and technology demonstrations. More than 290 people from 26 countries have visited the space station, where continuous human presence enables research that surpasses the capabilities of satellites and autonomous platforms. The space station’s unique microgravity environment, paired with crew operations, continues to unlock discoveries and push the boundaries of humanity’s curiosity and innovation.
Research aboard the International Space Station helped inform the development of a newly FDA-approved injectable medication used to treat several types of early-stage cancers. The research yielded early insights into the structure and size of particles needed to develop the medication through protein crystal growth experiments. This new delivery method promises to lower costs and significantly reduce treatment time for patients and healthcare providers, while maintaining drug efficiency. Microgravity research can produce higher-quality, medically relevant crystals than Earth-based labs, enabling these types of medical advances. These developments showcase how space station research can drive innovation, improve lives, and foster commercial opportunities.
Eight medical implants designed to support nerve regeneration were successfully 3D printed aboard the International Space Station for preclinical trials on Earth. When nerve damage occurs, these types of implants are designed to improve blood flow and enable targeted drug delivery. Printing in microgravity can prevent particle settling, resulting in more uniform and stable structures. In-space manufacturing is helping to advance medical treatments and other technologies while also enabling astronauts to print devices and tools on demand during future missions.
Learn more about InSPA-Auxilium Bioprinter.
A solar coronagraph aboard the International Space Station captured its first unique images detailing the Sun’s outer atmosphere while measuring solar wind temperature and speed. The instrument blocks the Sun’s bright light to reveal its faint outer atmosphere, or corona, where solar wind originates. Earlier experiments focused on the corona’s density, but this new device enables the study of what heats and accelerates the solar wind, offering a more complete picture of how energy moves through the Sun’s atmosphere. These observations help researchers understand how solar activity affects Earth and space-based technology, such as satellites, communications networks, and power systems.
Learn more about CODEX.
NASA astronaut Butch Wilmore collected microbiological samples during a spacewalk outside the International Space Station. Samples were taken near the life support system vents to see if the orbital complex releases microorganisms. This experiment helps researchers examine if and how these microorganisms survive and reproduce in the harsh space environment, as well as how they may behave at destinations such as the Moon and Mars. After returning to Earth, the samples underwent DNA extraction and sequencing. Another round of collections is planned for future spacewalks. The data could help determine whether changes are needed on crewed spacecraft and spacesuits to reduce biocontamination during missions to explore destinations where life may exist now or in the past.
Learn more about ISS External Microorganisms.
For the first time in International Space Station history, all eight docking ports of the orbiting laboratory were occupied at once. Three crew spacecraft and five cargo resupply craft were attached to station, including JAXA’s new cargo vehicle HTV-X1 and Northrup Grumman’s new Cygnus XL. The eight spacecraft delivered astronauts, cargo, and scientific experiments from around the world to be conducted in the unique microgravity environment. This milestone highlights the space station’s evolution, inviting commercial partners and international collaboration to continue expanding the orbiting laboratory’s research capabilities.
Three experiments that landed on the Moon during Firefly Aerospace’s Blue Ghost Mission-1 were enabled by earlier research aboard the International Space Station. These studies help improve space weather monitoring, test computer recovery from radiation damage, and advance lunar navigation systems. The orbiting laboratory continues to lay the foundation for missions beyond low Earth orbit, driving exploration deeper into space.
Learn more.
The space station continues to deliver out-of-this-world achievements that cannot be replicated on Earth. Its research capabilities are a springboard for humanity’s future in innovation and testing the limits of what’s possible.
Here’s to 2026 — another year of defying physics and pushing the boundaries of science and exploration.
2026-01-16 14:37
NASA’s Crawler-transporter 2 moves toward the Vehicle Assembly Building at NASA’s Kennedy Space Center in Florida on Friday, Jan. 9, 2026. The crawler will transport NASA’s SLS (Space Launch System) rocket with the Orion spacecraft to Launch Complex 39B ahead of the Artemis II launch which will journey Commander Reid Wiseman, Pilot Victor Glover, and Mission Specialist Christina Koch from NASA, and Mission Specialist Jeremy Hansen from the CSA (Canadian Space Agency), around the Moon and back to Earth no later than April 2026.
The crawler-transporters have carried the load of taking rockets and spacecraft to the launch pad for more than 50 years at NASA’s Kennedy Space Center in Florida. Each the size of a baseball infield and powered by locomotive and large electrical power generator engines, the crawler-transporters stand ready to keep up the work for the next generation of launch vehicles to lift astronauts into space; Crawler-transporter 2 in particular is integral to the Artemis missions.
Image credit: NASA/Ben Smegelsky
2026-01-16 12:49
2 min read
While this eerie NASA Hubble Space Telescope image may look ghostly, it’s actually full of new life. Lupus 3 is a star-forming cloud about 500 light-years away in the constellation Scorpius.
White wisps of gas swirl throughout the region, and in the lower-left corner resides a dark dust cloud. Bright T Tauri stars shine at the left, bottom right, and upper center, while other young stellar objects dot the image.
T Tauri stars are actively forming stars in a specific stage of formation. In this stage, the enveloping gas and dust dissipates from radiation and stellar winds, or outflows of particles from the emerging star. T Tauri stars are typically less than 10 million years old and vary in brightness both randomly and periodically due to the environment and nature of a forming star. The random variations may be due to instabilities in the accretion disk of dust and gas around the star, material from that disk falling onto the star and being consumed, and flares on the star’s surface. The more regular, periodic changes may be caused by giant sunspots rotating in and out of view.
T Tauri stars are in the process of contracting under the force of gravity as they become main sequence stars which fuse hydrogen to helium in their cores. Studying these stars can help astronomers better understand the star formation process.
New images added every day between January 12-17, 2026! Follow @NASAHubble on social media for the latest Hubble images and news and see Hubble’s Stellar Construction Zones for more images of young stellar objects.
Media Contact:
Claire Andreoli
NASA’s Goddard Space Flight Center, Greenbelt, MD
claire.andreoli@nasa.gov
2026-01-16 05:01
At about 800 kilometers (500 miles) east of New Zealand’s South Island, the sparsely populated Chatham Islands are rugged, remote, and often inconspicuous. In January 2026, however, a ring of bright green and blue swirls in the ocean put a natural spotlight on the far-flung specks of land.
A bloom of phytoplankton—tiny photosynthetic organisms that become visible to satellites when their numbers explode—encircled the Chatham Islands in austral summer. Surface currents and eddies carried the floating organisms into intricate wisps and swirls. The VIIRS (Visible Infrared Imaging Radiometer Suite) on the NOAA-20 satellite captured this image of the display on January 10, 2026.
The Chatham Islands sit on the Chatham Rise, an underwater plateau that extends eastward from the South Island of New Zealand. The top of the rise is relatively shallow and separates areas of deeper water to the north and south. These seafloor contours make blooms common along the Chatham Rise, where cold, nutrient-rich currents from the Antarctic and warm, nutrient-poor water from the subtropics converge. The well-mixed water, coupled with long daylight hours, can boost phytoplankton populations.
With phytoplankton at the base of the food web, the waters around the Chatham Islands support productive fisheries, with valuable species such as pāua, rock lobster, and blue cod. The region is also home to an array of marine mammals, including five seal species and 25 whale and dolphin species. Amid this abundance, however, the islands are a hotspot for whale and dolphin strandings, in which hundreds of animals are sometimes beached.
NASA Earth Observatory image by Lauren Dauphin, using VIIRS data from NASA EOSDIS LANCE, GIBS/Worldview, and the Joint Polar Satellite System (JPSS). Story by Lindsey Doermann.
Stay up-to-date with the latest content from NASA as we explore the universe and discover more about our home planet.

Puffs of low-level clouds mingle with the volcanic terrain of Candlemas and Vindication islands in the remote South Atlantic.

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One of NASA’s newest Earth-observing sensors extends and improves the continuous measurement of light-harvesting pigments in ocean surface waters.
2026-01-15 20:58
3 min read
Two retired U.S. Air Force F-15 jets have joined the flight research fleet at NASA’s Armstrong Flight Research Center in Edwards, California, transitioning from military service to a new role enabling breakthrough advancements in aerospace.
The F-15s will support supersonic flight research for NASA’s Flight Demonstrations and Capabilities project, including testing for the Quesst mission’s X-59 quiet supersonic research aircraft. One of the aircraft will return to the air as an active NASA research aircraft. The second will be used for parts to support long-term fleet sustainment.
“These two aircraft will enable successful data collection and chase plane capabilities for the X-59 through the life of the Low Boom Flight Demonstrator project” said Troy Asher, director for flight operations at NASA Armstrong. “They will also enable us to resume operations with various external partners, including the Department of War and commercial aviation companies.”
The aircraft came from the Oregon Air National Guard’s 173rd Fighter Wing at Kingsley Field. After completing their final flights with the Air Force, the two aircraft arrived at NASA Armstrong Dec. 22, 2025.
“NASA has been flying F-15s since some of the earliest models came out in the early 1970s,” Asher said. “Dozens of scientific experiments have been flown over the decades on NASA’s F-15s and have made a significant contribution to aeronautics and high-speed flight research.”
The F-15s allow NASA to operate in high-speed, high-altitude flight-testing environments. The aircraft can carry experimental hardware externally – under its wings or slung under the center – and can be modified to support flight research.
Now that these aircraft have joined NASA’s fleet, the team at Armstrong can modify their software, systems, and flight controls to suit mission needs. The F-15’s ground clearance allows researchers to install instruments and experiments that would not fit beneath many other aircraft.
NASA has already been operating two F-15s modified so their pilots can operate safely at up to 60,000 feet, the top of the flight envelop for the X-59, which will cruise at 55,000 feet. The new F-15 that will fly for NASA will receive the same modification, allowing for operations at altitudes most standard aircraft cannot reach. The combination of capability, capacity, and adaptability makes the F-15s uniquely suited for flight research at NASA Armstrong.
“The priority is for them to successfully support the X-59 through completion of that mission,” Asher said. “And over the longer term, these aircraft will help position NASA to continue supporting advanced aeronautics research and partnerships.”
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