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Galaxies, vast collections of billions of stars, gas, and dust held together by gravity, are scattered across the immensity of space. But every so often, a coincidence occurs: Two galaxies line up from our point of view on Earth (or from a space telescope) and appear to overlap in the sky. These rare overlapping galaxies give astronomers a chance to study something normally difficult to see: the dust inside one of these distant cosmic objects. That’s the focus of NASA’s new Overlap Zoo project.
Picture the background galaxy acting like a cosmic flashlight, shining through the nearer galaxy. The backlit dust creates dark silhouettes, like shadows on a screen. By studying these silhouettes, astronomers can map how dust is distributed throughout galaxies and learn how it blocks, scatters, and dims starlight traveling through space. Measurements of how dust impacts light can even help astronomers refine estimates of the distances to faraway objects.
However, before we can study galaxy pairs and their dust, we first need to find them! Overlap Zoo is asking for your help with the search.
“As new and better observations of galaxies continue to multiply, it is becoming incredibly difficult for astronomers to classify every candidate galaxy pair,” said Trevor Butrum, Overlap Zoo project lead and graduate student. “Your help is invaluable to creating the biggest and cleanest catalog of overlapping galaxy pairs for further analysis.”
As a volunteer in Overlap Zoo, you’ll view images that volunteers in the Galaxy Zoo project have identified as containing possible overlapping galaxies. The Overlap Zoo project will teach you how to verify the presence of galaxy pairs in these images, classify key features of each galaxy, and mark their outlines. You’ll learn as you go, classifying as many of these images as you like. Your contributions will help build the first large-scale catalog of galaxy pairs suitable for dust studies and enable a huge step forward in accuracy of astronomical estimates.
Head over to Overlap Zoo and start classifying galaxies today. No prior experience needed – just curiosity and a few minutes of your time. Your observations will help unlock the secrets hidden in these rare cosmic alignments!
2026-09-30 21:11
NASA selected three new scientific investigations and their payload suites to advance our knowledge of the Moon and help pave the way for building humanity’s first lunar outpost, Moon Base.
The suite of science instruments and technologies was selected through NASA’s Payloads and Research Investigations on the Surface of the Moon (PRISM) program and will fly to the lunar surface using the CLPS (Commercial Lunar Payload Services) initiative as part of the agency’s Moon Base Program. The payloads will help researchers understand lunar resources, map natural shelters, and assess environmental hazards, laying the foundational groundwork for a safe and sustained human presence under the agency’s Artemis and Moon Base programs.
“NASA Science is building the ultimate interplanetary survival guide to ensure that science goes first to the lunar surface to provide our future astronaut crews with the vital information, resources, and safety precautions needed ahead of time to survive the night on the Moon,” said Nicky Fox, associate administrator, Science Mission Directorate, at NASA Headquarters in Washington. “These PRISM selections will directly help NASA minimize risks to our astronauts while maximizing our agency goals as we set up humanity’s first lunar outpost in preparation for sending the first astronauts to Mars.”
The three payload suites are:
Lunar Environment Monitoring Station – South Pole (LEMS-SP):
Principal Investigator: Dr. Mehdi Benna, University of Maryland, Baltimore County
Geophysical Investigation for Mapping Lunar Interior (GIMLI):
Principal Investigator: Dr. Nathaniel Putzig, Planetary Science Institute
Distribution of Ice and Surface Characteristics Observatory (DISCO):
Principal Investigator: Dr. Ariel Deutsch, NASA’s Ames Research Center in California’s Silicon Valley
“Each new PRISM selection strengthens our ability to deliver ambitious, transformative science to the lunar surface,” said Brad Bailey, director of the Exploration Science Strategy Integration Office in NASA’s Science Mission Directorate. “These investigations exemplify how Artemis and Moon Base are expanding the frontier of lunar exploration, advancing innovative technologies, deepening our understanding of the Moon’s environment, and paving the way for future astronaut missions.”
NASA is increasing its cadence of lunar missions to build a Moon Base, delivering science investigations and technology payloads that contribute to American scientific preeminence, strengthen a sustained presence on the Moon, and advance future human exploration.
NASA’s CLPS initiative supports the Moon Base Program, as the agency works with American companies to deliver scientific, exploration, and technology payloads to the Moon’s surface and orbit.
For more information, visit:
https://science.nasa.gov/lunar-science
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Tiffany Blake
Headquarters, Washington
202-358-2546
tiffany.n.blake@nasa.gov
2026-09-30 20:41
NASA has awarded Modulate Space Corporation a contract to develop key elements of a 5G communications system for use on the lunar surface with built-in Wi-Fi 6, for NASA’s Glenn Research Center in Cleveland.
This accelerated effort is organized into two primary work areas that together will develop a scalable, standards-based communications capability designed to support future Moon Base surface operations.
The 5G System and Lunar Surface Communications Evaluation and Radio Propagation Measurements contract is a firm-fixed-price contract with a value of approximately $38 million. The performance period for the 5G Network-in-a-Box Development and Lab Demonstration runs from Thursday, Oct. 1, through Jan. 31, 2028. The performance period for the Lunar 5G and Wi-Fi Integrated Surface Network and Flight Demonstration on the Lunar Surface runs from Monday, Nov. 30, through Dec. 31, 2028.
Through these demonstrations, NASA will acquire technology development of hardware, firmware, and software needed to advance the integrated lunar communications system. This effort will give NASA insight into the system architecture and operational performance while providing the flexibility needed to evolve the technology for future lunar surface communications.
For more information about NASA and agency programs, visit:
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Jennifer Dooren
Headquarters, Washington
202-358-1600
jennifer.m.dooren@nasa.gov
Shauntina Lilly
Glenn Research Center, Cleveland
216-973-6415
shauntina.d.lilly@nasa.gov
2026-09-30 18:38
NASA, CSA (Canadian Space Agency), and the German Aerospace Center signed a joint statement of intent to begin coordinated, preparatory work toward an Earth-based demonstrator to learn how to grow crops on the Moon, which will be essential to helping astronauts go farther and stay longer in space.
The Lunar Agriculture Module-Ground Test Demonstrator aims to develop the technologies needed to grow space crops and study how they perform under atmospheres and controlled environments similar to those expected during missions at Moon Base. Through Moon Base, NASA and its partners will build the infrastructure to support an enduring human presence near the Moon’s South Pole, advancing science and technology while preparing for future human missions to Mars.
Space crops will provide deep space crews with whole-food nutrition and increase dietary variety. They can also absorb carbon dioxide, produce oxygen, and recycle water. These capabilities will become increasingly important as human missions extend farther from our home planet.

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