top viewed 2021

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Jan 15, 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 & Outdoorsrob dunn labtop viewed 2021north carolinaoutsideantssummer reading 2021cookiespicnicnutritionfunsummertop2022girl scoutsspringantdunn labyour wild lifewildlifeant picnicdietfallrob dunnwinternutrientstop 22 in 2022

NASA / Zooniverse

Backyard Worlds: Planet 9

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

Anywhere

Ongoing

Citizen ScienceAstronomy & Spaceplanet nineplanetswisebrown dwarfsstarssolar systemnasa-sciactnasa_nasatop viewed 2021nasa-supported

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 & Outdoorscicadainsectcicadasinsectsperiodical cicadastop viewed 2021

Crowd the Tap

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

Multiple locations, including yours!

Ongoing

Citizen ScienceHealth & Medicinehealthtop 22 in 2022top viewed 2021pipestop2022water

Happywhale

Global Whale Tracking with Happywhale

Track individual whales and learn their stories.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsOcean Water MarineNature & Outdoorsunderwaterstorytellingphoto identificationseatracknon-invasiveminkesea mammalanimalcetaceanidentificationdolphinmammalkiller whalewildlifestorystoriesnature & outdoorswhale watchingwhalescitizen sciencephotographymammalsmarine mammalfin whalemigrationoceanminke whaleresearchtrackingwhalewhale watchhumpbacksorcamapconservationsea animalorcasmappingphoto idecology & environmentwhale trackingoceanswhale migrationfinstrandingmarine mammalogyrescueocean-dwellingtop viewed 2021gpswhale biologyhumpbackphoto

NSF’s NOIRLab

Globe at Night

To understand the impacts of light pollution.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentNature & OutdoorsAstronomy & Spacegirl scoutslight pollutiontop2022top 22 in 2022librarytop viewed 2021nastarcsm-featured

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 Marineglobetop 22 in 2022weatheratmospherecsm-featuredgirl scoutsdust_nasanasatop2022nasa-sciactthe globe programdust stormstop viewed 2021climatenasa goappcsm2025cloudsearth2025nasa-supported

iNaturalist

Share observations of biodiversity.

Anywhere

Ongoing

Citizen ScienceOcean Water MarineInsects & PollinatorsNature & OutdoorsBiologyAnimalsEcology & Environmenttop viewed 2021summer reading 2021gardenappec2020top 22 in 2022csm-featurednaturalistiphonegirl scoutsinsect populationslibrarytop2022androidnaturemuseumbiodiversity

ISeeChange

We’re making a record of climate change impacts.

Anywhere

Ongoing

Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmentmarine environmentsatellitescitizen sciencefloodcitizen journalismcrowdsourcingmountainstreesjulia kumari drapkinclimate educationearth2025wnycmappingtop viewed 2021yale climate connectionssnowradioheatclimate sciencefuncoastal changenprtop2022journalismweatherremote sensingnasabackyardjet propulsion laboratoryclimate changesciencenew orleanscommunity engagementcommunitypublic medianeighborhoodmiamitrees urban street forest mapnew yorkurban heat islandcsm2025citizen science waterearthtop 22 in 2022storiessea level risecsm-featuredcitydroughturban heatbirdsbeachesgirl scoutsphotographyrainresiliencesensorslos angelesearth scienceclimatecarbonnasa orbiting carbon observatory

Marine Debris Tracker

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

Anywhere

Ongoing

Citizen ScienceGeology & Earth ScienceNature & OutdoorsEcology & EnvironmentOcean Water MarineEducationnature & outdoorsdebrisecology & environmentplastic pollutionocean pollutioncsm2025girl scoutsmarine debrismarinetop viewed 2021littertrackerearth2025waste managementappcsm-featured

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