top viewed 2021

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Mar 18, 2026

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Rob Dunn Lab

Ant Picnic

Inform scientists about global food preferences of ants

Anywhere

Ongoing

Citizen ScienceAgricultureFoodOcean Water MarineEcology & EnvironmentEducationInsects & PollinatorsNature & Outdoorsantnutrientstop2022top 22 in 2022nutritionfunfalltop viewed 2021wildlifepicnicnorth carolinayour wild lifesummerdietspringwinterant picnicrob dunn labsummer reading 2021rob dunnoutsidecookiesgirl scoutsdunn labants

NASA / Zooniverse

Backyard Worlds: Planet 9

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

Anywhere

Ongoing

Citizen ScienceAstronomy & Spacestarsnasa-sciactnasa-supportedwisebrown dwarfstop viewed 2021nasaplanetsplanet ninesolar system_nasa

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 & Outdoorsinsectcicadasperiodical cicadastop viewed 2021insectscicada

Crowd the Tap

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

Multiple locations, including yours!

Ongoing

Citizen ScienceHealth & Medicinepipestop2022watertop 22 in 2022top viewed 2021health

Happywhale

Global Whale Tracking with Happywhale

Track individual whales and learn their stories.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsOcean Water MarineNature & Outdoorsorcaswhale biologygpswhale watchingrescuefinanimalmarine mammalfin whaleunderwaterwhalestorytellinghumpbackswhale migrationmammalscitizen scienceminke whalemapwhale watchstoryphoto idmappingphotographyocean-dwellingcetaceanphoto identificationmarine mammalogydolphinhumpbacktop viewed 2021non-invasivephotooceantrackingtracksea mammalwildlifeseaconservationkiller whaleminkeidentificationstoriesnature & outdoorsmammaloceansecology & environmentmigrationsea animalwhale trackingstrandingresearchorcawhales

NSF’s NOIRLab

Globe at Night

To understand the impacts of light pollution.

Anywhere

Ongoing

Citizen ScienceAstronomy & SpaceNature & OutdoorsEcology & Environmenttop2022csm-featuredlibrarytop viewed 2021csm2026startop 22 in 2022light pollutionnagirl scouts

NASA and The GLOBE Program

GLOBE Observer: Clouds

Help scientists understand the sky from above and below.

Anywhere

Ongoing

Citizen ScienceNature & OutdoorsOcean Water MarineEcology & EnvironmentClimate & WeatherGeology & Earth ScienceAstronomy & Spacegirl scoutsclimatenasa goearth2025the globe programnasa-sciactglobecsm-featurednasatop2022cloudstop 22 in 2022csm2025appcsm2026dusttop viewed 2021atmosphere_nasadust stormsweathernasa-supported

iNaturalist

Share observations of biodiversity.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentInsects & PollinatorsAnimalsBiologyNature & OutdoorsOcean Water Marinetop viewed 2021insect populationscsm-featurednaturegirl scoutssummer reading 2021museumandroidec2020librarycsm2026gardentop2022iphoneappnaturalistbiodiversitytop 22 in 2022

ISeeChange

We’re making a record of climate change impacts.

Anywhere

Ongoing

Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmentclimatecitizen sciencegirl scoutsyale climate connectionscityearth scienceclimate changetop 22 in 2022floodcommunityjournalismmarine environmentmiamiweathertop2022earth2025nprmountainstrees urban street forest mapcitizen journalismsnowurban heattreesradioremote sensingmappingpublic mediacitizen science waterneighborhoodcsm-featuredcrowdsourcingrainclimate educationcarbonurban heat islandnasajet propulsion laboratorynew yorkcommunity engagementjulia kumari drapkintop viewed 2021climate sciencecsm2025photographysea level riseresiliencedroughtnew orleansbeachesstoriessatellitesnasa orbiting carbon observatorysensorswnycsciencebackyardlos angelescoastal changeheatfunbirdsearth

Marine Debris Tracker

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

Anywhere

Ongoing

Citizen ScienceGeology & Earth ScienceEcology & EnvironmentOcean Water MarineNature & OutdoorsEducationcsm2026marine debrisecology & environmentmarinedebrisplastic pollutiontrackerappcsm2025nature & outdoorsearth2025top viewed 2021girl scoutslittercsm-featuredocean pollutionwaste management

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