top viewed 2021

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Jan 11, 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 & Outdoorsantsdietnutrientsrob dunnoutsidetop2022funcookiesyour wild liferob dunn labspringtop viewed 2021picnicnutritionantwildlifewintersummer reading 2021summergirl scoutsfalldunn labnorth carolinaant picnictop 22 in 2022

NASA / Zooniverse

Backyard Worlds: Planet 9

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

Anywhere

Ongoing

Citizen ScienceAstronomy & Spaceplanetsplanet ninetop viewed 2021starsnasasolar systembrown dwarfs_nasanasa-sciactnasa-supportedwise

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 & Outdoorsinsectperiodical cicadascicadacicadastop viewed 2021insects

Crowd the Tap

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

Multiple locations, including yours!

Ongoing

Citizen ScienceHealth & Medicinetop2022top viewed 2021waterhealthtop 22 in 2022pipes

Happywhale

Global Whale Tracking with Happywhale

Track individual whales and learn their stories.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsOcean Water MarineNature & Outdoorsminke whalecitizen sciencemapocean-dwellingwhale watchstrandingstoriesphoto identificationmarine mammalogyconservationphoto idstorytellingminkeresearchphotowhalehumpbacksmammalsrescuefin whalemammalhumpbackoceanstrackingnon-invasiveecology & environmentmarine mammalgpstrackanimalorcaswhale watchingwhale migrationphotographymigrationoceanstoryunderwatermappingwhale biologywildlifefinidentificationnature & outdoorsdolphinseakiller whalewhale trackingsea animaltop viewed 2021sea mammalorcacetaceanwhales

NSF’s NOIRLab

Globe at Night

To understand the impacts of light pollution.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentNature & OutdoorsAstronomy & Spacetop viewed 2021girl scoutslight pollutiontop 22 in 2022librarytop2022starcsm-featuredna

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 Marinenasa gotop viewed 2021globeatmosphereweatherearth2025nasa-supportedclimatenasa-sciactgirl scoutsdustcsm-featuredappthe globe programdust stormstop2022_nasacloudstop 22 in 2022csm2025nasa

iNaturalist

Share observations of biodiversity.

Anywhere

Ongoing

Citizen ScienceOcean Water MarineInsects & PollinatorsNature & OutdoorsBiologyAnimalsEcology & Environmenttop 22 in 2022librarybiodiversitynatureinsect populationsec2020csm-featuredapptop viewed 2021summer reading 2021girl scoutsmuseumnaturalistgardentop2022iphoneandroid

ISeeChange

We’re making a record of climate change impacts.

Anywhere

Ongoing

Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmentmappingmarine environmentjet propulsion laboratorytrees urban street forest mapradiomiamicitizen sciencesatellitesremote sensingheatnew orleansyale climate connectionsurban heat islandcitizen science waterurban heatweathercarbonclimate educationnew yorkclimate changebeachesclimatecsm-featuredtop 22 in 2022citytop2022csm2025storiesbirdsfuncitizen journalismscienceraindroughtresiliencenprclimate scienceearthcrowdsourcingnasajulia kumari drapkingirl scoutsfloodnasa orbiting carbon observatorycoastal changecommunitybackyardtop viewed 2021earth2025sensorslos angelestreesneighborhoodsnowpublic mediasea level risewnycjournalismcommunity engagementphotographyearth sciencemountains

Marine Debris Tracker

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

Anywhere

Ongoing

Citizen ScienceNature & OutdoorsEcology & EnvironmentGeology & Earth ScienceOcean Water MarineEducationmarine debrislitterplastic pollutionocean pollutionwaste managementnature & outdoorsgirl scoutsmarineearth2025top viewed 2021appcsm2025trackerecology & environmentcsm-featureddebris

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