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By NASA
Students prepare their robots to enter Artemis Arena during NASA’s Lunabotics competition on May 20, 2025, at the Center for Space Education near the Kennedy Space Center Visitor Complex in Florida. NASA/Isaac Watson As college students across the country embark upon the academic year, NASA is giving them something else to look forward to – the agency’s 2026 Lunabotics Challenge. Teams interested in participating can submit their applications and supporting materials through NASA’s Stem Gateway portal beginning Monday, Sept. 8.
Key dates and challenge details are available in the 2026 Lunabotics Challenge Guidebook. Once all applications and supporting materials are received and evaluated, NASA will notify the selected teams to begin the challenge.
Student teams participating in this year’s challenge will create robots capable of building berms out of lunar regolith – the loose, fragmental material on the Moon’s surface. Structures like these will be important during lunar missions as blast protection during lunar landings and launches, shading for cryogenic propellant tank farms, radiation shielding around nuclear power plants, and other uses critical to future Moon missions.
“We are excited to continue the Lunabotics competition for universities as NASA develops new Moon to Mars technologies for the Artemis program,” said Robert Mueller, senior technologist at NASA, as well as co-founder and chief judge of the Lunabotics competition. “Excavating and moving regolith is a fundamental need to build infrastructure on the Moon and Mars and this competition creates 21st century skills in the future workforce.”
An in-person qualifying event will be held May 12-17, 2026, at the University of Central Florida’s Space Institute’s Exolith Lab in Orlando. From this round, the top 10 teams will be invited to bring their robots to the final competition on May 19-21, at the Kennedy Space Center Visitor Complex’s Artemis Arena in Florida, which has an area filled with a lunar regolith simulant. The team scoring the most points will receive the Lunabotics Grand Prize and participate in an exhibition-style event at NASA Kennedy.
By encouraging innovative construction techniques and assessing student designs and data the same way it does its own prototypes, NASA casts a wider net to find innovative solutions to challenges inherent in future Artemis missions, like developing future lunar excavators, in-situ resource utilization capabilities, and living on the Moon or Mars. With its multidisciplinary approach, Lunabotics also serves as a workforce pipeline, with teams gaining valuable hands-on experience in computer coding, engineering, manufacturing, fabricating, and other crucial skills, while also receiving technical expertise in space technology development.
NASA’s Lunabotics Challenge, held annually since 2010, is one of several Artemis Student Challenges. The two-semester competition provides U.S. college and technical school teams an opportunity to design, build, and operate a prototype lunar robot using NASA systems engineering processes. Competitions help NASA get innovative design and operational data, reduce risks, and cultivate new ideas needed to return to the Moon under the Artemis campaign to prepare for human exploration of Mars.
To learn more about Lunabotics, visit:
https://www.nasa.gov/learning-resources/lunabotics-challenge/
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By Space Force
The U.S. Space Force, in partnership with SpaceX, successfully launched the eighth mission of the X-37B Orbital Test Vehicle (OTV-8) on a Falcon 9 rocket from Kennedy Space Center Launch Complex 39A.
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By NASA
The 33rd SpaceX commercial resupply services mission for NASA, scheduled to liftoff from the agency’s Kennedy Space Center in Florida in late August, is heading to the International Space Station with an important investigation for the future of bone health.
The experiment will test how microgravity affects bone-forming and bone-degrading cells and explore potential ways to prevent bone loss. This research could help protect astronauts on future long-duration missions to the Moon and Mars, while also advancing treatments for millions of people on Earth who suffer from osteoporosis.
Mesenchymal stem cells (MSCs) are derived from human bone marrow and stained with rapid red dye NASA Space’s Hidden Health Mystery
During long-duration missions, astronauts may experience a gradual reduction in bone density—typically around 1% to 2% per month—even with consistent exercise routines. While scientists understand how bones work on Earth, they aren’t sure exactly why bones weaken so quickly in microgravity.
Previous research aboard the space station revealed that microgravity changes how stem cells behave and what substances they release. Scientists now want to dig deeper into these cellular changes to better understand what causes bone loss in space and explore potential ways to prevent it.
Blocking a Potential Bone Thief
The Microgravity Associated Bone Loss-B (MABL-B) investigation focuses on special stem cells called mesenchymal stem cells, or MSCs. As these cells mature, they build new bone tissue in the body.
Scientists suspect that a protein called IL-6 might be the culprit behind bone problems in space. Data from the earlier MABL-A mission suggests that microgravity promotes the type of IL-6 signaling that enhances bone degradation. The MABL-B experiment will investigate this by testing ways to block this IL-6 signaling pathway.
The experiment will grow mesenchymal stem cells alongside other bone cells in special containers designed for space research. Cells will be cultured for 19 days aboard the space station, with crew members periodically collecting samples for analysis back on Earth.
How this benefits space exploration
The research could lead to targeted treatments that protect astronauts from bone loss during long-duration missions to the Moon, Mars, and beyond. As crews venture farther from Earth, bone health becomes increasingly critical since medical evacuation or emergency return to Earth won’t be possible during Mars missions.
How this benefits humanity
The findings could provide new insights into age-related bone loss that affects millions of people on Earth. Understanding how the IL-6 protein affects bone health may lead to new treatments for osteoporosis and other bone conditions that come with aging.
Related Resources
Microgravity Associated Bone Loss-B (MABL-B) Microgravity Associated Bone Loss-A (MABL-A) Microgravity Expanded Stem Cells About BPS
NASA’s Biological and Physical Sciences Division pioneers scientific discovery and enables exploration by using space environments to conduct investigations not possible on Earth. Studying biological and physical phenomenon under extreme conditions allows researchers to advance the fundamental scientific knowledge required to go farther and stay longer in space, while also benefitting life on Earth.
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By NASA
Research traveling to the International Space Station aboard NASA’s SpaceX 33rd commercial resupply mission includes testing 3D bioprinting of an implantable medical device, observing behavior of engineered liver tissues, examining microgravity’s effects on bone-forming cells, and additional 3D printing of metal in space. The SpaceX Dragon spacecraft is scheduled to launch to the orbiting laboratory in late August.
For nearly 25 years, the International Space Station has provided research capabilities used by scientists from over 110 countries to conduct more than 4,000 groundbreaking experiments in microgravity. Research conducted aboard the space station advances future space exploration – including missions to the Moon and Mars – and provides multiple benefits to humanity.
Read more about some of the latest investigations headed to the orbiting lab.
Better nerve bridge
Eight implantable nerve devices printed on the space station.Auxilium Biotechnologies Scientists are creating an implantable device in microgravity that could support nerve regrowth after injuries. The device is created through bioprinting, a type of 3D printing that uses living cells or proteins as raw materials.
Traumatic injuries can leave a gap between nerves, and existing treatments have limited ability to restore nerve function and may result in impaired physical function. A bioprinted device to bridge the nerve gap could accelerate recovery and preserve function.
“On this mission, we plan to print up to 18 of the implants and anticipate using them in preclinical studies on the ground in 2026 and 2027,” said Jacob Koffler, principal investigator at Auxilium Biotechnologies Inc in San Diego. Tissues bioprinted in microgravity may be higher quality than those made on Earth and results could support future manufacturing of medical devices in space for crew members on space missions and patients on Earth.
Bioprinted tissues with blood vessels
A researcher holds vascularized tissue bioprinted on the ground for study in space.The Wake Forest Institute of Regenerative Medicine Researchers plan to bioprint liver tissue containing blood vessels on the ground and examine how the tissue develops in microgravity. Results could help support the eventual production of entire functional organs for transplantation on Earth.
A previous mission tested whether this type of bioprinted liver tissue survived and functioned in space, according to James Yoo, principal investigator at the Wake Forest Institute of Regenerative Medicine in Winston-Salem. This round could show whether microgravity improves development of the bioprinted tissue.
“We are especially keen on accelerating the development of vascular networks in the tissue,” Yoo said. Vascular networks produce the blood vessels needed to keep these tissues functional and healthy.
Blocking bone loss
A microscopic image of stem cells derived from human bone marrow stained with red dye.Mayo Clinic A study of bone-forming stem cells in microgravity could provide insight into the basic mechanisms of the bone loss astronauts experience during space flight.
Researchers identified a protein in the body called IL-6 that can send signals to stem cells to promote either bone formation or bone loss. This work evaluates whether blocking IL-6 signals could reduce bone loss during spaceflight.
“If we are successful, the compound also can be evaluated for the treatment of conditions associated with bone loss on Earth, such as osteoporosis and certain types of cancers,” said Abba Zubair, principal investigator at the Mayo Clinic in Florida.
Space printing goes metal
Metal specimens printed on the ground for ESA’s Metal 3D Printer investigation.Airbus Defence and Space SAS As mission duration and distance from Earth increase, resupply becomes harder. Additive manufacturing or 3D printing could be used to make parts and dedicated tools on demand, enhancing mission autonomy.
Research on the space station has made great strides in 3D printing with plastic, but it is not suitable for all uses. The ESA (European Space Agency) Metal 3D Printer investigation builds on recent successful printing of the first metal parts in space.
“We’ll print several small cubes using different strategies to help determine the optimal approach for metal printers in space,” said Rob Postema, ESA technical officer. Quality of the space-printed items will be compared against reference prints made on the ground.
This investigation is a continuation of ESA’s efforts to develop in-space manufacturing and materials recycling capabilities. The ESA investigation team includes Airbus Defence and Space SAS and the User Support Centre CADMOS in France.
Download high-resolution photos and videos of the research mentioned in this article.
Learn more about the research aboard the International Space Station at:
www.nasa.gov/iss-science
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By NASA
NASA/Aubrey Gemignani A SpaceX Falcon 9 rocket carrying the SpaceX Dragon spacecraft Endeavour lifts off from Launch Complex 39A at NASA’s Kennedy Space Center in Florida on Aug. 1, 2025. NASA astronauts Zena Cardman and Mike Fincke, JAXA (Japan Aerospace Exploration Agency) astronaut Kimiya Yui, and Roscosmos cosmonaut Oleg Platonov are aboard the spacecraft. After the crew arrives at the International Space Station, they will perform research, technology demonstrations, and maintenance activities aboard the orbiting laboratory. Crew-11 will also contribute to NASA’s Artemis campaign by simulating Moon landing scenarios that astronauts may encounter near the lunar South Pole, showing how the space station helps prepare crews for deep space human exploration.
The flight is the 11th crew rotation mission with SpaceX to the space station as part of NASA’s Commercial Crew Program.
Image credit: NASA/Aubrey Gemignani
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