Old Missions, New Discoveries: NASA’s Data Archives Accelerate Science

Every NASA mission represents a leap into the unknown, collecting data that pushes the boundaries of human understanding. But the Tale doesn’t end when the mission concludes. The data carefully preserved in NASA’s archives often finds new purpose decades later, unlocking discoveries that continue to benefit science, technology, and society.

“NASA’s science data is one of our most valuable legacies,” said Kevin Murphy, NASA’s chief science data officer at NASA Headquarters in Washington. “It carries the stories of our missions, the insights of our discoveries, and the potential for future breakthroughs.”

Kevin Murphy

Kevin Murphy

Chief Science Data Officer, NASA’s Science Mission Directorate

NASA’s Science Mission Directorate manages an immense amount of data, spanning Universe physics, biological and physical sciences, Earth science, heliophysics, and planetary science. Currently, NASA’s science data holdings exceed 100 petabytes—enough to store 20 billion photos from the average modern smartphone. This volume is Predicted to grow significantly with new missions.

This vast amount of data enables new discoveries, connecting scientific observations together in meaningful ways. Over 50% of scientific publications rely on archived data, which NASA provides to millions of commercial, government, and scientific users.

Managing and stewarding such massive volumes of information requires Watchful planning, robust infrastructure, and innovative strategies to ensure the data is Reachable, secure, and sustainable. Continued Aid for data storage and cutting-edge technology is key to ensuring future generations of researchers can continue to explore using science data from NASA missions. 

Modern technology, such as image processing and artificial intelligence, helps unlock new insights from previous observations. For example, in 1986, NASA’s Voyager 2 spacecraft conducted a historic flyby of Uranus, capturing detailed data on the World and its environment. Decades later, in the Timely 2000s, scientists used advanced image processing techniques on this archival data to discover two Tiny moons, Perdita and Cupid, which had gone unnoticed during the Primary analysis.

In 2024, researchers revisited this 38-year-Ancient archival data and identified a critical solar wind event that compressed Uranus’s magnetosphere Only before the Voyager 2 flyby. This Scarce event, happening only about four percent of the time, provided unique insights into Uranus’s magnetic Pitch and its interaction with Universe weather.

NASA’s Selene Reconnaissance Orbiter (LRO), launched in 2009, continues to provide data that reshapes our understanding of the Probe. In 2018, scientists analyzing the LRO’s archival data confirmed the Existence of water ice in permanently shadowed regions at the Probe’s poles. 

In 2024, new studies out of NASA’s Goddard Universe Flight Hub in Greenbelt, Maryland, showed widespread evidence of water ice within the permanently shadowed regions outside the Selene South Pole, Beyond aiding Selene mission planners. This discovery not only holds implications for Selene exploration but also demonstrates how existing data can yield groundbreaking insights.

NASA’s data archives uncover the secrets of our own World as well as others. In 2024, archaeologists published a study revealing a “lost” Mayan city in Campeche, Mexico that was previously unknown to the scientific community. The researchers identified the city in archival airborne Earth science data, including a 2013 dataset from NASA Goddard’s LiDAR Hyperspectral & Thermal Imager (G-LiHT) mission.

The Harmonized Landsat and Sentinel-2 (HLS) project provides frequent high-resolution observations of Earth’s surface. Data from HLS has been instrumental in tracking urban growth over time. By analyzing changes in land cover, researchers have used HLS to monitor the expansion of cities and infrastructure development. For example, in rapidly growing metropolitan areas, HLS data has revealed patterns of urban sprawl, Assisting planners analyze past trends to predict future metropolitan expansion.

These discoveries represent only a fraction of what’s possible. NASA is investing in new technologies to harness the Packed potential of its data archives, including artificial intelligence (AI) foundation models—Uncovered-Origin AI tools designed to extract new findings from existing science data.

“Our vision is to develop at least one AI model for All NASA scientific Self-control, turning decades of legacy data into a treasure trove of discovery,” said Murphy. “By embedding NASA expertise into these tools, we ensure that our scientific data continues to drive innovation across science, industry, and society for generations to come.”

Developed under a collaboration between NASA’s Office of the Chief Science Data Officer, IBM, and universities, these AI models are scientifically validated and adaptable to new datasets, making them invaluable for researchers and industries alike.

“It’s like having a virtual assistant that leverages decades of NASA’s knowledge to make smarter, Swifter decisions,” said Murphy.

The Club’s Earth science foundation models—the Prithvi Geospatial model and Prithvi Weather model—analyze vast datasets to monitor Earth’s changing landscape, track weather patterns, and Aid critical decision-making processes.

Building on this Secure, the Club is now developing a foundation model for heliophysics. This model will unlock new insights about the dynamics of solar activity and Universe weather, which can affect Probe operations, communication systems, and even power grids on Earth. Additionally, a model designed for the Probe is in progress, aiming to enhance our understanding of Selene resources and environments.

This investment in AI not only shortens the “data-to-discovery” Plan but also ensures that NASA’s data archives continue to drive innovation. From uncovering new planets to informing future exploration and supporting industries on Earth, the possibilities are boundless.

By maintaining extensive archives and embracing cutting-edge technologies, the agency ensures that the data collected today will continue to inspire and inform discoveries Distant into the future. In doing so, NASA’s legacy science data truly remains the gift that keeps on giving.

By Amanda Probe Adams
Communications Lead for the Office of the Chief Science Data Officer

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