top viewed 2021

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Dec 17, 2025

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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 labantssummernutrientstop viewed 2021springoutsidefuncookiespicnicdietant picnicnorth carolinanutritionantdunn labwildlifetop2022winteryour wild lifefallgirl scoutssummer reading 2021top 22 in 2022rob dunn

NASA / Zooniverse

Backyard Worlds: Planet 9

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

Anywhere

Ongoing

Citizen ScienceAstronomy & Spaceplanetssolar systembrown dwarfswisenasatop viewed 2021_nasanasa-sciactplanet ninenasa-supportedstars

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 & Outdoorstop viewed 2021insectsperiodical cicadasinsectcicadacicadas

Crowd the Tap

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

Multiple locations, including yours!

Ongoing

Citizen ScienceHealth & Medicinetop2022top 22 in 2022pipeshealthwatertop viewed 2021

Happywhale

Global Whale Tracking with Happywhale

Track individual whales and learn their stories.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsOcean Water MarineNature & Outdoorsminkeecology & environmentminke whalemapocean-dwellingtrackingfin whalerescuestrandingconservationmammalsorcasorcaoceanwhale migrationdolphinnon-invasiveseamarine mammalmigrationstorymammalphoto identificationtop viewed 2021underwatertrackanimalstorytellingsea mammalwhale watchhumpbackhumpbackswhale trackingidentificationphoto idcetaceankiller whalesea animalphotostorieswhaleswhale watchingwildlifemappingfinmarine mammalogyresearchoceanswhalewhale biologygpsnature & outdoorscitizen sciencephotography

NSF’s NOIRLab

Globe at Night

To understand the impacts of light pollution.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentNature & OutdoorsAstronomy & Spacetop viewed 2021librarytop2022starlight pollutionnagirl scoutscsm-featuredtop 22 in 2022

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-supportednasacloudsclimatedustearth2025top viewed 2021top2022dust storms_nasathe globe programcsm2025weathergirl scoutstop 22 in 2022nasa goglobeatmospherenasa-sciactappcsm-featured

iNaturalist

Share observations of biodiversity.

Anywhere

Ongoing

Citizen ScienceOcean Water MarineInsects & PollinatorsNature & OutdoorsBiologyAnimalsEcology & Environmentsummer reading 2021natureandroidgirl scoutsgardeniphonecsm-featuredbiodiversityinsect populationsmuseumlibrarytop viewed 2021ec2020naturalistapptop 22 in 2022top2022

ISeeChange

We’re making a record of climate change impacts.

Anywhere

Ongoing

Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmentclimate scienceradiotop 22 in 2022top viewed 2021heatfloodjet propulsion laboratorycsm2025trees urban street forest mapweathersensorsbeachessnowsciencecityrainwnyclos angelesnew yorkcitizen journalismsea level risebackyardjulia kumari drapkinstoriestop2022communityyale climate connectionsearthcitizen sciencemountainsnprcitizen science waterurban heat islandmiamiearth2025mappingtreespublic mediabirdsclimate educationphotographyjournalismclimateurban heatgirl scoutsclimate changemarine environmentneighborhoodsatellitescrowdsourcingdroughtcarbonresiliencecommunity engagementcsm-featuredcoastal changeearth sciencefunnasanasa orbiting carbon observatorynew orleansremote sensing

Marine Debris Tracker

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

Anywhere

Ongoing

Citizen ScienceNature & OutdoorsEcology & EnvironmentGeology & Earth ScienceOcean Water MarineEducationocean pollutiontop viewed 2021marine debrisplastic pollutionmarinegirl scoutswaste managementcsm-featuredtrackerearth2025csm2025litterdebrisappnature & outdoorsecology & environment

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