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Help NASA-supported scientists study Mars from wherever you are. All you need is curiosity. Featured Project: Cloudspotting on Mars During this virtual event, you’ll be guided on how to identify clouds and atmospheric features in online images of Mars to inform future missions. Hear from the project scientist, ask questions, and discover how your participation supports...
Free
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Scientists want to know! Step into a new kind of space mission by looking at a set of NASA online images for signs of clouds above Mars. Every cloud you spot helps NASA scientists understand daily and seasonal weather patterns on the Red Planet, informing future missions and research. This event is part of Do...
Free
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During this event, participants will contribute to a NASA-supported citizen science project by identifying clouds and atmospheric features in images of Mars. These observations help scientists better understand Martian weather and climate, supporting ongoing planetary research and future missions.
Free
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Join us the 2nd Sunday in April from 10 AM to 3 PM for a market experience that’s anything but average! Each event features a new theme with on-street entertainment, interactive art, themed activities, snacks, and drinks — plus plenty of fun for all ages. This month: Citizen Science! The outdoor market lines Mill Avenue...
Free
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2 events,
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April is Citizen Science Month! You can take part in science by helping monarch butterflies. Learn from the Southwest Monarch Study how to grow milkweed, report monarch sightings, and tag monarchs. This event is part of SciStarter's 2.5 Million Acts of Science for America 250 and is a part of Maricopa County Library District's America...
Free
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Citizen or community science is a way for the public to get involved in science by incorporating volunteers in different aspects of the research process. For years, the Arizona Game and Fish Department has relied on volunteers to help us carry out our mission to conserve Arizona's diverse wildlife resources. Since April is Citizen Science...
Free
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1 event,
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Your Garden, Your Way! We believe nature should be accessible to everyone. On Community Day pay what you can. Pay $5, $10, $15 or any amount that works for you. In return, your contribution nurtures the Garden’s research, conservation and protection of desert plants for generations to come. Join us each month: April 14: Photography for...
Free with Admission
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1 event,
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The Saguaro Initiatives are a set of research, conservation, and community-science programs led by Desert Botanical Garden to understand, protect, and restore saguaros across the Phoenix Valley and our changing desert. This talk will share what we are learning about saguaro genetics, health, survival, and resilience in the face of rising heat and drought, and...
Free with Admission
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3 events,
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Greater Phoenix City Nature Challenge 2026: Acts of Science – Connected − Play Stall Catchers Online
Greater Phoenix City Nature Challenge 2026: Acts of Science – Connected − Play Stall Catchers Online
Help accelerate research on Alzheimer’s disease by playing a video game. All you need is curiosity. Featured Project: Stall Catchers During this virtual event, you'll look at images of blood flow...
Free
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Participants will play Stall Catchers, a research-based online game that helps scientists identify blocked blood vessels in the brain. These classifications support ongoing Alzheimer’s disease research and help accelerate discovery.
Free
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Learn about the April 24-27 City Nature Challenge and free smartphone apps that can help you identify plants, animals, and more, while helping contribute to science! Join Ranger Eric on an easy 0.4-mile walk on Lions Trail while we learn about the free iNaturalist app you can use to identify any living organism on the...
Free with Park Fee
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1 event,
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Learn about the April 24-27 City Nature Challenge and free smartphone apps that can help you identify plants, animals, and more, while helping contribute to science! Join Ranger Eric on a short, easy walk between the Nature Center and the Quail Trailhead while we learn about the free iNaturalist app you can use to identify...
Free with Park Fee
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2 events,
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Do you like observing nature? Then help science and make your observations count! The City Nature Challenge is a friendly worldwide competition among cities to see whose residents can spot and identify the most wildlife. Join Arizona Science Center on April 18 to learn how to use the iNaturalist app, sharpen your observation skills, and...
Free with Admission
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Join us on Saturday, April 18th from 10 a.m. to 2 p.m. for our annual Earth Day Celebration in Sedona's red rocks! FREE admission from 9:30 a.m. to 1:30 p.m.! This event features live wildlife presentations, nature hikes, booths, games, prizes, kids crafts, and much more! Learn from our community partners how we can all...
Free
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1 event,
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Citizen or community science is a way for the public to get involved in science by incorporating volunteers in different aspects of the research process. For years, the Arizona Game and Fish Department has relied on volunteers to help us carry out our mission to conserve Arizona's diverse wildlife resources. Since April is Citizen Science...
Free
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8 events,
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Help NASA-supported researchers study wildlife conservation from wherever you are. All you need is curiosity. Featured Project: Snapshot Wisconsin During this virtual event, you’ll explore trail camera photos and classify the animals you see to help track changes in wildlife that informs wildlife management and conservation decisions. Hear from the project scientists, ask questions, and discover...
Free
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Stop by an information table where Ranger Derik will teach you how to use your phone to identify and document your nature findings to help the scientific community. Ranger Derik will host a drop-in information table to get you on your way to becoming a Citizen Scientist using the free iNaturalist app that identifies and...
Free with Park Fee
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Learn about the April 24-27 City Nature Challenge and free smartphone apps that can help you identify plants, animals, and more, while helping contribute to science! Join Ranger Eric on a short, easy walk between the Nature Center and the Quail Trailhead while we learn about the free iNaturalist app you can use to identify...
Free with Park Fee
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5 events,
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Stop by an information table where Ranger Derik will teach you how to use your phone to identify and document your nature findings to help the scientific community. Ranger Derik will host a drop-in information table to get you on your way to becoming a Citizen Scientist using the free iNaturalist app that identifies and...
Free with Park Fee
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Learn about the April 24-27 City Nature Challenge and free smartphone apps that can help you identify plants, animals, and more, while helping contribute to science! Join Ranger Eric on a short, easy hike on the interpretive trail near Area 3 (see map link below) while we learn about the free iNaturalist app you can...
Free with Park Fee
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Learn about the April 24-27 City Nature Challenge and free smartphone apps that can help you identify plants, animals, and more, while helping contribute to science! Join Ranger Eric on a roughly 2-3 mile round trip hike on the Bajada and Goat Camp Trails while we learn about the free iNaturalist app you can use...
Free with Park Fee
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6 events,
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Learn about birds of the Sonoran Desert on this easy to moderate guided hike with Ranger Eric while participating in the City Nature Challenge! Join Ranger Eric to look for...
Free with Park Fee
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Join Ranger Nikki on an easy to moderate hike to use your phone to document biodiversity in the park for the City Nature Challenge global Citizen Science competition that runs April 24-27. The City Nature Challenge is a global competition between cities to document biodiversity in regions around the world, taking place this year...
Free with Park Fee
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10 events,
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Help document biodiversity of a scenic, under-visited part of the park while participating in the City Nature Challenge with Ranger Eric! The option to do a short vs. a longer hike will be available. Join Ranger Eric for a hike around the scenic southern end of the San Tan Mountain Regional Park around the Malpais...
Free with Park Fee
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Join Ranger Jacque on a brief hike and use your phone to document biodiversity in the park for the City Nature Challenge global Citizen Science competition. Citizen Science Month 2026 is an official partner of America 250, the campaign to celebrate the United States of America’s semiquincentennial anniversary. The City Nature Challenge is a global...
Free with Park Fee
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3 events,
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Join Ranger Nikki on a moderate hike and use your phone to document biodiversity in the park for the City Nature Challenge global Citizen Science competition that runs April 24-27. The City Nature Challenge is a global competition between cities to document biodiversity in regions around the world, taking place this year April 24-27. This...
Free with Park Fee
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The Arizona Important Bird Areas program is launching a streamlined survey protocol utilizing eBird. The surveys will be stationary, 10 minute counts where all birds seen and heard are added... |
3 events,
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Stop by an information table where Ranger Kevin will teach you how to use your phone to identify and document your nature findings to help the scientific community. Ranger Kevin hosts a drop-in information table to get you on your way to becoming a Citizen Scientist using the free iNaturalist app that identifies and documents...
Free with Park Fee
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Join Ranger Kevin to learn about and document biodiversity in the park for the City Nature Challenge global Citizen Science competition that runs April 24-27th. The City Nature Challenge is a global competition between cities to document biodiversity in regions around the world, taking place April 24-27th. Ranger Kevin will lead a hike with stops...
Free with Park Fee
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3 events,
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Help NASA-supported scientists find active comets to find clues about our early universe. All you need is curiosity. Featured Project: Rubin Comet Catchers During this virtual event, you'll look through real images from the Vera C. Rubin Observatory to find comets and other active objects in our solar system. Each comet you spot offers valuable clues...
Free
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Do NASA Science LIVE is a fun, hands-on event that invite everyone—students, families, hobbyists, and lifelong learners—to help NASA do real science. This event is a part of "Acts of Science: Connected," which will bring us all together in April to celebrate participation in real research for Citizen Science Month! SciStarter is aiming toward a...
Free
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The project Rubin Comet Catchers invites participants to help find new comets and explore small, icy objects in our solar system using images from the new Vera C. Rubin Observatory in Chile. By looking at these pictures, volunteers can spot comets that have never been seen before. Every discovery helps scientists learn how comets form,...
Free
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1 event,
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Stop by an information table where Ranger Kevin will teach you how to use your phone to identify and document your nature findings to help the scientific community. Let’s get you on your way to becoming a Citizen Scientist using the free iNaturalist app that identifies and documents nature photos that you take with your...
Free with Park Fee
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