top viewed 2021

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Jan 14, 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 & Outdoorsyour wild lifenorth carolinaanttop2022ant picnicwildlifesummerdietfallspringnutrientssummer reading 2021rob dunndunn labtop 22 in 2022rob dunn labwinterfunpicniccookiestop viewed 2021outsideantsgirl scoutsnutrition

NASA / Zooniverse

Backyard Worlds: Planet 9

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

Anywhere

Ongoing

Citizen ScienceAstronomy & Spacenasabrown dwarfsstarstop viewed 2021nasa-sciactwise_nasaplanet ninenasa-supportedsolar systemplanets

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 & Outdoorsinsectinsectscicadastop viewed 2021periodical cicadascicada

Crowd the Tap

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

Multiple locations, including yours!

Ongoing

Citizen ScienceHealth & Medicinetop 22 in 2022healthtop viewed 2021pipestop2022water

Happywhale

Global Whale Tracking with Happywhale

Track individual whales and learn their stories.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsOcean Water MarineNature & Outdoorsorcawhaletrackingphoto idtop viewed 2021mammalhumpbacksocean-dwellingstorywhale biologywhale trackingmigrationphotosea mammalorcashumpbackmarine mammaloceanswhalescitizen scienceminkewildlifephotographyminke whalewhale watchstorytellingfinidentificationnature & outdoorsphoto identificationmarine mammalogyconservationcetaceansea animalmammalsrescuedolphinseaoceanwhale migrationwhale watchingecology & environmentresearchfin whalenon-invasivegpskiller whaletrackanimalstoriesmappingmapunderwaterstranding

NSF’s NOIRLab

Globe at Night

To understand the impacts of light pollution.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentNature & OutdoorsAstronomy & Spacetop 22 in 2022top viewed 2021light pollutionlibrarystarnagirl scoutstop2022csm-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 Marinecsm2025csm-featured_nasanasa-sciacttop viewed 2021globenasa-supportedclimatenasaappgirl scoutsdust stormsweatherearth2025the globe programtop2022cloudsnasa gotop 22 in 2022dustatmosphere

iNaturalist

Share observations of biodiversity.

Anywhere

Ongoing

Citizen ScienceOcean Water MarineInsects & PollinatorsNature & OutdoorsBiologyAnimalsEcology & Environmentnaturemuseumandroidgardencsm-featuredtop viewed 2021top2022applibraryinsect populationsnaturalistiphonesummer reading 2021girl scoutsec2020biodiversitytop 22 in 2022

ISeeChange

We’re making a record of climate change impacts.

Anywhere

Ongoing

Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmenttop 22 in 2022storiestrees urban street forest mapearth2025funcrowdsourcingsensorsbackyardweathersnowwnyccarboncsm2025coastal changeclimate changemarine environmentscienceyale climate connectionsjet propulsion laboratoryfloodcitizen journalismurban heat islandbeachesremote sensingtop2022earth sciencesea level risebirdssatellitesurban heatmountainsjournalismearthlos angelesjulia kumari drapkintreestop viewed 2021nprcitycommunity engagementpublic mediadroughtcitizen scienceclimate educationneighborhoodmiamimappingnew yorkresiliencecitizen science watercsm-featurednasarainnew orleansheatnasa orbiting carbon observatoryphotographyclimate sciencecommunitygirl scoutsradioclimate

Marine Debris Tracker

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

Anywhere

Ongoing

Citizen ScienceGeology & Earth ScienceNature & OutdoorsEcology & EnvironmentOcean Water MarineEducationplastic pollutionearth2025csm-featuredmarine debrisnature & outdoorsdebrisgirl scoutscsm2025littertrackerocean pollutionecology & environmentappmarinewaste managementtop viewed 2021

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