top viewed 2021

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Feb 23, 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 & Outdoorswinterrob dunn labtop viewed 2021springsummeroutsidetop2022wildlifenutrientsdietfallantscookiestop 22 in 2022girl scoutsyour wild lifeant picnicnorth carolinarob dunnnutritionantsummer reading 2021dunn labpicnicfun

NASA / Zooniverse

Backyard Worlds: Planet 9

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

Anywhere

Ongoing

Citizen ScienceAstronomy & Spacetop viewed 2021nasa-sciactplanet ninestarsbrown dwarfs_nasaplanetsnasa-supportedwisesolar systemnasa

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 & Outdoorscicadasinsectstop viewed 2021insectcicadaperiodical cicadas

Crowd the Tap

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

Multiple locations, including yours!

Ongoing

Citizen ScienceHealth & Medicinepipeshealthtop 22 in 2022watertop2022top viewed 2021

Happywhale

Global Whale Tracking with Happywhale

Track individual whales and learn their stories.

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Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsOcean Water MarineNature & Outdoorsmammalsoceanswhale watchunderwaterminkemapmammalwhale migrationphotographyfinoceanwhalescetaceanphototop viewed 2021rescuestoriesanimalmarine mammalresearchtrackinghumpbackswhale trackingwildlifemappingidentificationphoto idstorytellingwhale biologyphoto identificationwhale watchingnature & outdoorsmarine mammalogydolphinseaorcaorcaswhalesea mammalcitizen sciencestrandingtrackmigrationsea animalkiller whaleminke whalehumpbackconservationecology & environmentstorygpsocean-dwellingnon-invasivefin whale

NSF’s NOIRLab

Globe at Night

To understand the impacts of light pollution.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentNature & OutdoorsAstronomy & Spacegirl scoutstop 22 in 2022top viewed 2021natop2022librarycsm-featuredstarlight pollution

NASA and The GLOBE Program

GLOBE Observer: Clouds

Help scientists understand the sky from above and below.

Anywhere

Ongoing

Citizen ScienceOcean Water MarineNature & OutdoorsClimate & WeatherEcology & EnvironmentAstronomy & SpaceGeology & Earth Sciencenasa-sciactatmospheredust stormsnasatop 22 in 2022globeearth2025nasa-supported_nasadusttop viewed 2021the globe programappweathergirl scoutscloudstop2022climatecsm-featurednasa gocsm2025

iNaturalist

Share observations of biodiversity.

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Ongoing

Citizen ScienceOcean Water MarineInsects & PollinatorsNature & OutdoorsBiologyAnimalsEcology & Environmentappiphonelibrarytop 22 in 2022naturegardenmuseumtop2022girl scoutscsm-featuredec2020insect populationstop viewed 2021biodiversitynaturalistsummer reading 2021android

ISeeChange

We’re making a record of climate change impacts.

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Ongoing

Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmentnasa orbiting carbon observatoryclimate educationcitizen science waterurban heat islandcsm-featuredpublic mediaweathertreessnownew orleansrainmiamiclimate scienceclimatecsm2025top viewed 2021citizen scienceyale climate connectionsmappingcarbonheatcrowdsourcingtrees urban street forest maptop2022beachesgirl scoutscityresiliencesatellitesurban heatnasafunstoriessciencecitizen journalismcoastal changeearthfloodradiophotographynew yorkdroughtearth sciencejournalismearth2025community engagementsensorsbirdswnyccommunitysea level risemarine environmentlos angelesbackyardtop 22 in 2022neighborhoodmountainsclimate changejulia kumari drapkinnprremote sensingjet propulsion laboratory

Marine Debris Tracker

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

Anywhere

Ongoing

Citizen ScienceGeology & Earth ScienceNature & OutdoorsEcology & EnvironmentOcean Water MarineEducationtrackerplastic pollutionmarinemarine debriswaste managementecology & environmentgirl scoutsearth2025nature & outdoorsocean pollutionapplitterdebriscsm2025csm-featuredtop viewed 2021

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