Laying the Groundwork for Deep Space: Landing Tech, Physiology, and Nutrition for Future Explorers

Welcome to the jFunk42 Science Brief, where we bring you the latest developments from the frontiers of scientific discovery and technological innovation. Today, we are taking a comprehensive look at the multi-faceted effort to prepare humanity for the next great leap in space exploration. As space agencies look beyond low-Earth orbit, aiming to return humans to the Moon and eventually send the first crews to Mars, they face an array of interconnected challenges. These are not merely questions of engineering larger rockets. To survive and thrive on missions that will last months or even years, we must solve a vast matrix of scientific puzzles. We need landing systems that can autonomously navigate the treacherous, cratered surfaces of alien worlds. We must understand and mitigate the profound biological changes that occur when the human body spends months in weightlessness. We have to design entirely new ways to feed crews without relying on continuous resupply missions from Earth. And finally, we must coordinate the international teams of scientists, engineers, and astronauts who will carry out these historic endeavors. In this episode, we will explore four distinct, recent developments that illustrate how researchers are addressing these critical pillars of deep space travel. We will examine how an advanced landing system is being put through its paces in the deserts of California, how astronauts currently in orbit are serving as research subjects to unravel the mysteries of spaceflight physiology, how a breakthrough food system concept could revolutionize deep space nutrition, and how the crew for an upcoming long-duration orbital mission is taking shape. Together, these stories reveal the incredible scientific momentum building behind our journey into the deep cosmos. Our first story takes us to the desert landscape near NASA’s Armstrong Flight Research Center in Edwards, California. On August 27, 2026, the quiet desert air was filled with the hum of a heavy-lift Alta-X drone. But this was no ordinary commercial drone flight. The aircraft was carrying a highly sophisticated payload: an advanced guidance and navigation system known as SPLICE, which stands for Safe and Precise Landing – Integrated Capabilities Evolution. Developed by researchers at NASA’s Johnson Space Center in Houston, Texas, SPLICE represents a major evolutionary step in planetary landing technology. To appreciate why SPLICE is so vital, we must first look at the physics and logistics of landing a spacecraft on another world. When Apollo astronauts landed on the Moon in the late 1960s and early 1970s, they relied heavily on visual navigation, manual control, and relatively primitive radar systems. They had to look out the window to spot hazards like boulders and craters, manually steering their lunar modules to a safe touchdown site. While this was a monumental achievement, it was also incredibly risky and limited the landings to relatively flat, benign terrain. For future missions to the Moon and Mars, we cannot rely on luck or manual spotting alone. We want to land in scientifically rich areas, such as the lunar South Pole, where deep craters may hold deposits of water ice. These areas are surrounded by rugged terrain, steep slopes, and extreme lighting conditions, with long, harsh shadows that can easily trick human eyes or simple camera systems. Furthermore, robotic missions and massive cargo landers will need to touch down entirely autonomously, without a human pilot at the controls. This is where SPLICE comes in. It is an integrated suite of sensors, cameras, and computing algorithms designed to give a spacecraft the equivalent of human sight and fast decision-making capabilities during the critical descent phase. It is built to analyze the terrain in real-time, detect hazards like boulders as small as a few feet across, and recalculate the spacecraft's trajectory to ensure a safe landing, all in a matter of seconds. To test these systems before they ever leave Earth, researchers must find ways to subject them to the physical dynamics of flight. The August 27, 2026 test flight did exactly that. By mounting the SPLICE package onto an Alta-X drone, the team was able to fly simulated lunar descent profiles. During these test runs, the drone climbed to specific altitudes and then descended along paths that mimicked the final approach of a lunar lander. As the drone descended, the SPLICE system was active, scanning the California desert floor, processing terrain data, and calculating steering commands. Testing in the dry, dusty, and rugged environment of Edwards, California, provides an excellent terrestrial analog for the optical and topographical conditions a lander might encounter on the Moon. By successfully completing these simulated lunar descents, the SPLICE team at Johnson Space Center gathered invaluable data on how the system's hardware and software perform under the vibrations, accelerations, and changing lighting conditions of real flight. This successful test brings us one step closer to a future where spacecraft can touch down on the Moon, Mars, and beyond with unprecedented safety and precision. But getting a spacecraft safely to the surface is only half the battle. We must also ensure that the human beings inside are healthy enough to carry out their missions once they arrive. This brings us to our second story: the biological research currently underway aboard the International Space Station. During NASA’s SpaceX Crew-13 mission, which is currently operating in orbit, crew members are dedicating a significant portion of their time to serving as both researchers and research subjects. They are supporting a suite of biomedical and human performance investigations designed to study how the human body adapts—and in some cases, struggles to adapt—to the extreme environment of space. For millions of years, life on Earth has evolved under the constant pull of gravity. Our biological systems are finely tuned to this one-g environment. When we enter the microgravity of spaceflight, that constant downward pull is suddenly removed, triggering a cascade of physiological changes. One of the most immediate and profound effects of microgravity is fluid shift. On Earth, gravity pulls our bodily fluids downward, causing them to pool in our lower extremities. To counter this, our cardiovascular system has evolved mechanisms to pump blood back up toward our heart and brain. In space, without that downward gravitational pull, fluids immediately redistribute, shifting upward toward the chest and head. This is what gives astronauts their characteristic "puffy face" and "chicken legs" appearance during their first days in orbit. However, this fluid shift is not just a cosmetic issue. It has serious implications for cardiovascular health and blood dynamics. The human body senses this sudden increase of fluid in the upper body and, over time, adapts by reducing overall blood volume. But the changes do not stop there. The altered physical forces acting on blood vessels can change how blood flows through the body. To address this, Crew-13 astronauts are supporting a new collaborative effort specifically designed to study how spaceflight affects blood flow and clotting. In a normal-gravity environment, blood flows smoothly through our veins and arteries, and the complex biochemical cascade that causes blood to clot is carefully regulated. In microgravity, the combination of altered fluid pressures, changes in blood vessel lining, and potential periods of stagnant or turbulent blood flow could alter this balance. By studying these dynamics in orbit, researchers hope to identify whether astronauts are at an increased risk for developing dangerous blood clots, and to develop countermeasures to prevent them. Another critical area of investigation for the Crew-13 astronauts involves evaluating methods to counter vision and brain changes. For years, scientists have observed that many astronauts returning from long missions experience changes in their visual acuity, often becoming more farsighted. This condition is linked to the upward fluid shift, which is believed to increase pressure inside the skull. This elevated intracranial pressure can physically press on the back of the eye, flattening the eyeball and causing swelling of the optic nerve. By evaluating new techniques and devices to counter these vision and brain changes, NASA is working to protect the long-term neurological and ocular health of future deep-space travelers. These studies are crucial because a pilot with degraded vision or cognitive fatigue could jeopardize an entire mission. This brings us to another fascinating aspect of the Crew-13 research: testing the astronauts' manual piloting skills. While systems like SPLICE are designed to automate much of the flight path, there will always be scenarios where automation fails, and human pilots must take control. But how does the physical and mental stress of long-duration spaceflight impact an astronaut's ability to fly a complex spacecraft manually? By conducting regular tests of their manual piloting skills while in orbit, the Crew-13 astronauts are helping researchers understand how microgravity, fluid shifts, and cognitive fatigue might degrade manual control capabilities. This data is essential for designing better cockpit interfaces, refining training regimens, and establishing safety protocols for the manual phases of future planetary landings. As the Crew-13 astronauts continue their vital work in orbit, NASA is already planning for the future. This leads into our third story: the announcement of the crew assignments for the subsequent mission, SpaceX Crew-14. This mission, scheduled to launch to the International Space Station no earlier than spring 2027, highlights the highly collaborative, international nature of modern space exploration. The crew will consist of four members representing three different space agencies, who will embark on a long-duration science expedition. Serving as the spacecraft commander for Crew-14 is NASA astronaut Kayla Barron. As commander, Barron will have overall responsibility for the vehicle and the safety of the crew during all phases of the flight, from launch and docking to undocking and landing. Joining her as the spacecraft pilot is NASA astronaut Chris Birch, who will be responsible for monitoring the spacecraft's flight path, managing its automated systems, and taking manual control if necessary. The remaining two seats will be filled by international partners: JAXA, the Japan Aerospace Exploration Agency, astronaut Makoto Suwa, and a Roscosmos cosmonaut. Together, this diverse crew will live and work aboard the station for several months, carrying forward the continuous stream of scientific research that is paving the way for deeper space travel. An international mission of this scale requires an incredible degree of coordination and standardized training. Each space agency brings its own engineering expertise, operational philosophies, and scientific priorities. By operating as a cohesive unit, the Crew-14 astronauts demonstrate how the global space community can work together to achieve common goals. The science they conduct in orbit will build directly upon the findings of Crew-13, providing a continuous chain of data that refines our understanding of human physiology and system performance in space. But even if we design perfect landing systems and successfully protect our astronauts' health and piloting skills, there is still a fundamental biological need that must be met: nutrition. On a journey to Mars, which could take up to three years round-trip, we cannot simply pack a massive pantry of pre-packaged meals. This is the focus of our fourth story. NASA recently announced the winning designs for the Deep Space Food Challenge: Mars to Table. This global competition challenged innovators to design integrated space food systems capable of producing safe, nutritious, and appealing meals for long-duration space missions, all while minimizing resource use and waste. The top prize of $300,000 was awarded to Chinyere Ukeje of Philadelphia, Pennsylvania, for an innovative food system concept called the Adaptive Nourishment Infrastructure, or ANI. To understand why the Adaptive Nourishment Infrastructure is such a breakthrough, we must examine the limitations of current space food. Right now, astronauts on the International Space Station eat meals that are almost entirely prepared on Earth. These foods are freeze-dried, thermostabilized, or vacuum-packed, and they rely on regular resupply missions to keep the pantry stocked. For a mission to Mars, this approach is physically and chemically impossible. First, the mass and volume of three years' worth of packaged food for a crew of four would be prohibitively heavy, requiring a massive and expensive rocket just to lift the food into space. Second, and perhaps more importantly, vitamins and nutrients in packaged foods degrade over time. Under the constant bombardment of cosmic radiation and room-temperature storage, essential vitamins like Vitamin C and Vitamin B12 break down, meaning that by the time astronauts reached Mars, their food might be calorically sufficient but nutritionally deficient. This could lead to serious health issues, cognitive decline, and reduced physical performance. The solution is to grow or synthesize food on the journey. But space habitats have incredibly tight constraints. Water, power, and physical space are at a premium. An effective deep space food system must be "integrated"—meaning it must recycle waste, utilize minimal energy, and operate with a high degree of automation so that astronauts do not have to spend hours every day farming. Chinyere Ukeje’s Adaptive Nourishment Infrastructure concept addresses these challenges head-on. While the specific proprietary details of the engineering remain under wraps, the concept focuses on creating a modular system that can adapt to the changing physiological needs of the crew. An "adaptive" system is crucial because an astronaut’s nutritional requirements are not static. During periods of high physical exertion, such as a spacewalk or a surface exploration mission on Mars, their body will require more calories and specific nutrients to support muscle recovery. Conversely, during quiet periods of transit, their metabolic needs will decrease. Furthermore, as we learned from the Crew-13 biomedical studies, microgravity alters blood flow, bone density, and eye health. An adaptive food system could theoretically tailor the nutrient profile of individual meals to deliver targeted doses of vitamins, minerals, or specialized compounds to combat these specific spaceflight-induced physiological changes. By integrating food production directly into the spacecraft’s life support loop—perhaps using biological organisms like microalgae, fungi, or fast-growing plants—an infrastructure like ANI could produce fresh, nutrient-dense food on demand. This would not only protect the crew from the nutritional degradation of packaged foods but also provide a psychological boost. Study after study has shown that the sensory experience of eating fresh, flavorful, and varied food is a major factor in maintaining high morale and mental health during long periods of isolation. When we look at these four distinct developments, a clear and compelling picture begins to emerge. Each research project, each test flight, and each crew assignment is a vital piece of a much larger, cohesive puzzle. We see this integration in the way the technology of flight connects to the physiology of the crew. The SPLICE landing system, which successfully completed simulated lunar descents on an Alta-X drone on August 27, 2026, represents the future of autonomous navigation. It is the system that will guide our explorers safely to the surfaces of the Moon and Mars, avoiding the hazards of uncharted terrain. But as those landing systems are being refined, we must also ensure the pilots are ready to step in if needed. The Crew-13 mission is directly addressing this by testing manual piloting skills in orbit, ensuring that even as automation becomes more capable, human pilots retain the cognitive and physical readiness to take control under the stressful conditions of descent. Similarly, we see a direct connection between the health studies of Crew-13 and the future crew of Crew-14. The biomedical data gathered by Crew-13 on blood flow, clotting, and neurological changes will inform the medical protocols, exercise routines, and safety measures that Kayla Barron, Chris Birch, Makoto Suwa, and their Roscosmos crewmate will use when they launch in spring 2027. Each mission acts as a stepping stone, building the scientific database needed to keep astronauts healthy during the long, arduous journey to Mars. And finally, we see how the biological needs of these future crews are being met by creative minds outside the traditional aerospace industry. The winning design of the Deep Space Food Challenge—Chinyere Ukeje’s Adaptive Nourishment Infrastructure—provides the critical nutritional foundation that will keep the hearts, brains, and eyes of future crews functioning at their peak. Without a sustainable, fresh food source like ANI, the physiological degradation studied by Crew-13 and Crew-14 would eventually overcome even the most resilient astronauts. This is the true nature of modern space science. It is a highly collaborative, interdisciplinary endeavor that spans from the dry lake beds of California to the microgravity laboratories of the International Space Station, from design studios in Philadelphia to international training facilities across the globe. It is a testament to what can be achieved when we bring together the brightest minds in engineering, medicine, nutrition, and international diplomacy. As we wrap up today’s episode, we are reminded that the journey to the stars is not a single leap, but a series of carefully planned, scientifically rigorous steps. Every drone flight, every blood sample, every crew rotation, and every innovative design brings us closer to the day when humans will stand on the surface of Mars, looking back at the distant blue dot of Earth, sustained by the very technologies and discoveries we are witnessing today. Thank you for tuning in to the jFunk42 Science Brief. We will continue to follow these stories and many more as the global scientific community continues to push the boundaries of what is possible. Until next time, keep looking up.