top viewed 2021

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May 4, 2026

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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 MarineFoodAgriculturerob dunn labdunn labwildlifenutritionrob dunntop2022summeroutsidefunantsfallgirl scoutssummer reading 2021north carolinatop 22 in 2022antpicniccookiesant picnicnutrientsyour wild lifewinterdiettop viewed 2021spring

NASA / Zooniverse

Backyard Worlds: Planet 9

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

Anywhere

Ongoing

Citizen ScienceAstronomy & Spacesolar systemnasa-sciactplanet ninebrown dwarfsplanetsstars_nasawisenasa-supportedtop viewed 2021nasa

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 cicadascicadasinsectstop viewed 2021cicadainsect

Crowd the Tap

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

Multiple locations, including yours!

Ongoing

Citizen ScienceHealth & Medicinetop2022waterhealthtop 22 in 2022pipestop viewed 2021

Happywhale

Global Whale Tracking with Happywhale

Track individual whales and learn their stories.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsOcean Water MarineNature & Outdoorswhale migrationunderwaterphotographymammalscetaceananimalhumpbacksmappingwhale watchingwildlifefinkiller whaleecology & environmentwhale biologytop viewed 2021researchidentificationnature & outdoorsstrandingmarine mammalogyorcasminke whaledolphinwhalehumpbackrescueorcaphoto identificationconservationwhalesnon-invasivemaptrackingmigrationseastoriesphoto idstoryfin whalewhale watchoceantrackcitizen sciencemammalocean-dwellingstorytellinggpsphotooceanssea mammalsea animalminkewhale trackingmarine mammal

NSF’s NOIRLab

Globe at Night

To understand the impacts of light pollution.

Anywhere

Ongoing

Citizen ScienceAstronomy & SpaceNature & OutdoorsEcology & Environmentstartop viewed 2021csm-featurednacsm2026light pollutiontop2022top 22 in 2022librarygirl scouts

NASA and The GLOBE Program

GLOBE Observer: Clouds

Help scientists understand the sky from above and below.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentAstronomy & SpaceGeology & Earth ScienceOcean Water MarineNature & OutdoorsClimate & Weatheratmospherenasa-sciactcloudsdust stormsgirl scoutsglobeearth2025weathercsm-featuredtop viewed 2021nasa-supported_nasathe globe programnasaapptop2022csm2025climatetop 22 in 2022csm2026nasa godust

iNaturalist

Share observations of biodiversity.

Anywhere

Ongoing

Citizen ScienceOcean Water MarineInsects & PollinatorsNature & OutdoorsBiologyAnimalsEcology & Environmentinsect populationsandroidnaturegirl scoutstop viewed 2021gardenappsummer reading 2021ec2020museumiphonelibrarycsm2026top2022naturalistbiodiversitytop 22 in 2022csm-featured

ISeeChange

We’re making a record of climate change impacts.

Anywhere

Ongoing

Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmentmarine environmentbackyardwnycclimate sciencesatellitescrowdsourcingbeachesmountainsmappingtop 22 in 2022jet propulsion laboratoryurban heat islandclimate educationearth sciencetreesneighborhoodsensorsnasagirl scoutsclimate changenasa orbiting carbon observatorycitizen science watertrees urban street forest mapdroughtcitizen scienceheatsnowsea level risebirdsclimateradiocityscienceresiliencecommunitytop viewed 2021earthcsm2025new orleanspublic mediatop2022funremote sensingphotographyjulia kumari drapkinearth2025urban heatraincsm-featuredjournalismstorieslos angelesnew yorkweatherfloodcommunity engagementnprcarboncoastal changemiamiyale climate connectionscitizen journalism

Marine Debris Tracker

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

Anywhere

Ongoing

Citizen ScienceGeology & Earth ScienceEcology & EnvironmentOcean Water MarineNature & OutdoorsEducationcsm2026top viewed 2021litterplastic pollutionmarine debrisocean pollutiondebrisgirl scoutsmarinecsm2025appcsm-featurednature & outdoorsearth2025ecology & environmentwaste managementtracker

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