top viewed 2021

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Sep 15, 2025

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Rob Dunn Lab

Ant Picnic

Inform scientists about global food preferences of ants

Anywhere

Ongoing

Citizen ScienceNature & OutdoorsInsects & PollinatorsEducationEcology & EnvironmentOcean Water MarineFoodAgriculturecookieswinterrob dunn labdietgirl scoutsant picnicfallsummernutrientsspringfunantsrob dunnoutsidepicnictop2022top 22 in 2022your wild lifedunn labnorth carolinawildlifesummer reading 2021top viewed 2021nutritionant

NASA / Zooniverse

Backyard Worlds: Planet 9

Search the realm beyond Neptune for new brown dwarfs and planets.

Anywhere

Ongoing

Citizen ScienceAstronomy & Spacetop viewed 2021planet nineplanetsbrown dwarfswisenasa-sciact_nasastarsnasasolar system

Mount St. Joseph University

Cicada Safari

To map the distribution of periodical cicada and annual cicada emergences.

Multiple locations, including yours!

Ongoing through September 1, 2027 at 4:00 AM

Citizen ScienceInsects & PollinatorsNature & Outdoorsperiodical cicadastop viewed 2021cicadainsectscicadasinsect

Crowd the Tap

We’re creating a national inventory of tap water pipes.

Multiple locations, including yours!

Ongoing

Citizen ScienceHealth & Medicinetop2022pipeshealthtop 22 in 2022top viewed 2021water

Happywhale

Global Whale Tracking with Happywhale

Track individual whales and learn their stories.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsOcean Water MarineNature & Outdoorssea mammalmarine mammalogydolphinseastorytellingresearchwhalesmappingoceanswhale trackingwhale watchgpshumpbacksidentificationtrackorcatop viewed 2021oceanmapwildlifecitizen sciencecetaceanmigrationstoriesconservationmammalswhalewhale watchingkiller whalemarine mammalnon-invasivefin whalemammalorcasanimalstoryminkeminke whaleocean-dwellingtrackingunderwaterhumpbacksea animalrescuewhale biologywhale migrationphotophotographyfinphoto identificationnature & outdoorsphoto idstrandingecology & environment

NSF’s NOIRLab

Globe at Night

To understand the impacts of light pollution.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentNature & OutdoorsAstronomy & Spacegirl scoutsnastartop2022top viewed 2021librarytop 22 in 2022csm-featuredlight pollution

NASA and The GLOBE Program

GLOBE Observer: Clouds

Help scientists understand the sky from above and below.

Anywhere

Ongoing

Citizen ScienceGeology & Earth ScienceAstronomy & SpaceEcology & EnvironmentClimate & WeatherNature & OutdoorsOcean Water Marineatmospherecsm2025_nasatop2022apptop 22 in 2022climatenasa-sciactdustglobedust stormsthe globe programcloudscsm-featuredearth2025weathertop viewed 2021girl scoutsnasanasa go

iNaturalist

Share observations of biodiversity.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentBiologyOcean Water MarineAnimalsNature & OutdoorsInsects & Pollinatorsnaturalisttop2022biodiversityappmuseumcsm-featurediphonegirl scoutsinsect populationstop viewed 2021libraryec2020androidsummer reading 2021gardennaturetop 22 in 2022

ISeeChange

We’re making a record of climate change impacts.

Anywhere

Ongoing

Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmenturban heatbeachesscienceearthmarine environmentnasa orbiting carbon observatorysatellitescrowdsourcingnasalos angelesradiophotographycitytreesjulia kumari drapkinjet propulsion laboratoryurban heat islandjournalismclimatecarbonsnowcitizen science waterremote sensingcommunity engagementheatnew orleanscsm2025resiliencenprearth sciencebackyardsea level risecitizen sciencetop2022birdsneighborhoodsensorsweathermountainsgirl scoutscoastal changeclimate changetop 22 in 2022csm-featurednew yorkearth2025climate scienceyale climate connectionsstoriesmiamicommunityflooddroughtcitizen journalismmappingwnycrainpublic mediaclimate educationtrees urban street forest mapfuntop viewed 2021

Marine Debris Tracker

Monitor litter where you find it, from our oceans to your backyard.

Anywhere

Ongoing

Citizen ScienceNature & OutdoorsEcology & EnvironmentGeology & Earth ScienceOcean Water MarineEducationplastic pollutionlitterocean pollutiontop viewed 2021appwaste managementnature & outdoorstrackermarine debrisecology & environmentcsm-featuredmarinegirl scoutscsm2025earth2025debris

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