top viewed 2021

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Jul 9, 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 & Outdoorstop 22 in 2022wildlifewinterantrob dunnnorth carolinaantsnutrientsyour wild lifepicnicgirl scoutstop2022outsidefunfallsummer reading 2021cookiessummerrob dunn labspringdunn labdietant picnicnutritiontop viewed 2021

NASA / Zooniverse

Backyard Worlds: Planet 9

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

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Ongoing

Citizen ScienceAstronomy & Spacenasawisebrown dwarfsnasa-supportedsolar systemnasa-sciact_nasatop viewed 2021planet ninestarsplanets

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 2021cicadaperiodical cicadascicadasinsectsinsect

Crowd the Tap

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

Multiple locations, including yours!

Ongoing

Citizen Sciencewaterhealthpipestop2022top viewed 2021top 22 in 2022

Happywhale

Global Whale Tracking with Happywhale

Track individual whales and learn their stories.

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Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsOcean Water MarineNature & Outdoorsfin whalemappingmammalsminke whalemammalphotographyidentificationphoto identificationcitizen scienceunderwaternature & outdoorsstorieswhale biologystrandingoceanecology & environmentmarine mammalogyseacetaceanfinhumpbackswhale migrationkiller whalestorywildlifetrackstorytellingphoto idwhalewhalesrescuewhale watchdolphinhumpbackmigrationphotoanimaloceanssea mammalwhale watchingtop viewed 2021marine mammalsea animalnon-invasivegpsorcamaporcasocean-dwellingconservationminketrackingresearchwhale tracking

NSF’s NOIRLab

Globe at Night

To understand the impacts of light pollution.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentNature & OutdoorsAstronomy & Spacelibrarylight pollutionnacsm-featuredtop2022csm2026star_mostop 22 in 2022top viewed 2021girl 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 & Weathernasa-supportedcsm-featuredgirl scoutsatmosphere_nasatop2022dustdust stormsearth2025cloudsapptop viewed 2021nasa-sciactthe globe programcsm2026nasacsm2025weathertop 22 in 2022climatenasa goglobe

iNaturalist

Share observations of biodiversity.

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Ongoing

Citizen ScienceOcean Water MarineInsects & PollinatorsNature & OutdoorsBiologyAnimalsEcology & Environmentec2020top 22 in 2022naturesummer reading 2021androidlibrarycsm2026csm-featuredappinsect populationsgardengirl scoutsmuseumtop viewed 2021iphonebiodiversity_mostop2022naturalist

ISeeChange

We’re making a record of climate change impacts.

Anywhere

Ongoing

Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmentfunbirdsearth2025storiescsm2025heatradioclimate educationtrees urban street forest mapmarine environmentcitygirl scoutsnew orleansnasa orbiting carbon observatorybackyardtop 22 in 2022public mediaclimatejulia kumari drapkinbeachesmiamirainclimate changejournalismcommunity engagementsatellitesearthsnowcommunityclimate sciencecarbontop2022crowdsourcingcitizen sciencefloodresilienceyale climate connectionsurban heat islandcoastal changephotographymountainslos angelesremote sensingearth sciencetop viewed 2021treescitizen journalismcitizen science waterjet propulsion laboratorysciencenew yorksea level risenprcsm-featureddroughtneighborhoodmappingurban heatsensorswnycnasaweather

Marine Debris Tracker

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

Anywhere

Ongoing

Citizen ScienceEducationOcean Water MarineEcology & EnvironmentNature & OutdoorsGeology & Earth Scienceecology & environmentappdebriscsm-featuredcsm2025marine debriscsm2026earth2025trackernature & outdoorslitterocean pollutionwaste managementplastic pollutiongirl scoutsmarinetop viewed 2021

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