top viewed 2021

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Apr 8, 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 & Outdoorsnorth carolinafallpicnictop viewed 2021girl scoutsoutsidewildlifetop 22 in 2022ant picnicantsantspringfunrob dunn labrob dunnyour wild lifecookiestop2022winterdunn labsummernutritionsummer reading 2021dietnutrients

NASA / Zooniverse

Backyard Worlds: Planet 9

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

Anywhere

Ongoing

Citizen ScienceAstronomy & Spacenasa-supportedplanetsplanet ninewisetop viewed 2021solar system_nasanasa-sciactnasastarsbrown dwarfs

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 cicadascicadasinsectinsectstop viewed 2021cicada

Crowd the Tap

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

Multiple locations, including yours!

Ongoing

Citizen ScienceHealth & Medicinewaterpipestop 22 in 2022top2022top viewed 2021health

Happywhale

Global Whale Tracking with Happywhale

Track individual whales and learn their stories.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsOcean Water MarineNature & Outdoorsfin whalemappingmarine mammalogycitizen scienceidentificationanimalseamigrationunderwaterorcassea animalwhaleresearchrescuewhale trackingphotographycetaceankiller whalesea mammaloceanshumpbackmammalsecology & environmentmarine mammalwhalesminkehumpbacksphotowhale watchingmapnon-invasivemammalwildlifetop viewed 2021whale migrationconservationminke whalefinoceanstoriestrackingstorytellingtrackstorydolphinwhale biologynature & outdoorsstrandingwhale watchorcaocean-dwellingphoto identificationgpsphoto id

NSF’s NOIRLab

Globe at Night

To understand the impacts of light pollution.

Anywhere

Ongoing

Citizen ScienceAstronomy & SpaceNature & OutdoorsEcology & Environmentcsm-featuredtop viewed 2021librarynastartop 22 in 2022csm2026top2022light pollutiongirl 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 & Weatherdust stormsweatherdustatmospheretop2022climateclouds_nasatop viewed 2021nasa-supportedgirl scoutsglobeappnasa gocsm-featuredearth2025top 22 in 2022csm2025csm2026nasa-sciactnasathe globe program

iNaturalist

Share observations of biodiversity.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentInsects & PollinatorsAnimalsBiologyNature & OutdoorsOcean Water Marinetop2022iphonetop 22 in 2022naturalistgardenlibrarysummer reading 2021csm2026museumandroidtop viewed 2021ec2020appnatureinsect populationsgirl scoutsbiodiversitycsm-featured

ISeeChange

We’re making a record of climate change impacts.

Anywhere

Ongoing

Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmentcitizen journalismclimate changeurban heatyale climate connectionsurban heat islandweathersensorsrainbackyardcsm-featuredfuncitizen scienceheatremote sensingnew yorklos angelesclimatecitizen science waterneighborhoodbirdscsm2025earthjet propulsion laboratorydroughtcrowdsourcingmappingnprcommunity engagementnasajulia kumari drapkinresiliencecoastal changetreesnew orleansbeachesradioearth sciencewnyctop 22 in 2022marine environmentmountainsjournalismclimate educationtop2022communitycitysea level risecarbonsatellitespublic mediaphotographytop viewed 2021snowearth2025sciencetrees urban street forest mapfloodclimate sciencemiamistoriesnasa orbiting carbon observatorygirl scouts

Marine Debris Tracker

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

Anywhere

Ongoing

Citizen ScienceGeology & Earth ScienceEcology & EnvironmentOcean Water MarineNature & OutdoorsEducationdebrisecology & environmentmarinewaste managementappocean pollutionlittergirl scoutsearth2025trackercsm2025plastic pollutionmarine debriscsm-featuredcsm2026top viewed 2021nature & outdoors

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