top viewed 2021

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Jul 18, 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 & Outdoorsspringtop 22 in 2022cookiestop viewed 2021nutrientspicnicwinteryour wild lifeoutsidesummerwildlifedunn labsummer reading 2021rob dunn labfunant picnicgirl scoutsdietfallnorth carolinarob dunnnutritionanttop2022ants

NASA / Zooniverse

Backyard Worlds: Planet 9

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

Anywhere

Ongoing

Citizen ScienceAstronomy & Space_nasaplanet ninewisestarsnasabrown dwarfsnasa-supportednasa-sciactsolar systemtop viewed 2021planets

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 & Outdoorscicadainsectcicadasperiodical cicadasinsectstop viewed 2021

Crowd the Tap

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

Multiple locations, including yours!

Ongoing

Citizen Sciencetop2022top 22 in 2022waterhealthpipestop viewed 2021

Happywhale

Global Whale Tracking with Happywhale

Track individual whales and learn their stories.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsOcean Water MarineNature & Outdoorsanimalcetaceanwhale migrationphoto idwhalescitizen sciencewhaleminke whalehumpbacksea mammalconservationmarine mammalfin whaleecology & environmentphotoorcasphotographyorcanature & outdoorsstorytellingunderwatertop viewed 2021oceanseastorywhale biologykiller whalemappingnon-invasivemaptrackresearchphoto identificationmammalwhale watchinggpswhale trackingocean-dwellingtrackingwhale watchsea animalrescuemammalshumpbackswildlifefinidentificationmarine mammalogydolphinmigrationminkestoriesoceansstranding

NSF’s NOIRLab

Globe at Night

To understand the impacts of light pollution.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentNature & OutdoorsAstronomy & Spacetop 22 in 2022stargirl scoutstop viewed 2021nacsm-featuredcsm2026light pollutionlibrarytop2022_mos

NASA and The GLOBE Program

GLOBE Observer: Clouds

Help scientists understand the sky from above and below.

Anywhere

Ongoing

Citizen ScienceClimate & WeatherOcean Water MarineNature & OutdoorsGeology & Earth ScienceAstronomy & SpaceEcology & Environmentthe globe programdustcsm-featurednasa-sciacttop viewed 2021_nasatop2022dust stormsnasaatmosphereclimatetop 22 in 2022csm2026nasa gocsm2025girl scoutsearth2025globecloudsnasa-supportedappweather

iNaturalist

Share observations of biodiversity.

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Ongoing

Citizen ScienceEcology & EnvironmentAnimalsBiologyNature & OutdoorsInsects & PollinatorsOcean Water Marinenaturegardenbiodiversity_moscsm-featurednaturalisttop2022top 22 in 2022iphoneec2020librarydisneymuseumcsm2026appinsect populationsandroidsummer reading 2021girl scoutstop viewed 2021

ISeeChange

We’re making a record of climate change impacts.

Anywhere

Ongoing

Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmentlos angelesclimate changeearth2025citizen journalismcitizen science watercsm2025mountainsmarine environmentyale climate connectionsresiliencephotographynew orleansurban heat islandneighborhoodnasa orbiting carbon observatorybackyardmiamibeachesnew yorksatellitestrees urban street forest mapmappingbirdstop 22 in 2022droughttreesfloodcommunitycarbonsensorsearthwnycsea level risecitizen scienceremote sensingjulia kumari drapkinrainclimate educationfunclimate scienceheatjournalismradiojet propulsion laboratorypublic medianprsnowcityweathercrowdsourcingsciencecoastal changenasatop viewed 2021girl scoutsearth sciencestoriesclimatecommunity engagementcsm-featuredurban heattop2022

Marine Debris Tracker

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

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Ongoing

Citizen ScienceGeology & Earth ScienceEcology & EnvironmentOcean Water MarineNature & OutdoorsEducationcsm2026applitterplastic pollutionearth2025girl scoutswaste managementmarine debristrackertop viewed 2021csm2025ecology & environmentmarinecsm-featuredocean pollutiondebrisnature & outdoors

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