top viewed 2021

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May 17, 2026

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Rob Dunn Lab

Ant Picnic

Inform scientists about global food preferences of ants

Anywhere

Ongoing

Citizen ScienceNature & OutdoorsInsects & PollinatorsEducationEcology & EnvironmentOcean Water MarineFoodAgriculturenutrientsdietpicnicnorth carolinaant picniccookiesoutsidewintertop 22 in 2022summer reading 2021girl scoutstop2022summerantsrob dunn labnutritionfalltop viewed 2021rob dunndunn labantspringfunwildlifeyour wild life

NASA / Zooniverse

Backyard Worlds: Planet 9

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

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Ongoing

Citizen ScienceAstronomy & Spacenasa-sciact_nasastarsnasa-supportedsolar systembrown dwarfsnasaplanetswisetop viewed 2021planet nine

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 & Outdoorsinsecttop viewed 2021insectscicadaperiodical cicadascicadas

Crowd the Tap

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

Multiple locations, including yours!

Ongoing

Citizen ScienceHealth & Medicinetop viewed 2021top2022pipeshealthtop 22 in 2022water

Happywhale

Global Whale Tracking with Happywhale

Track individual whales and learn their stories.

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Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsOcean Water MarineNature & Outdoorsstorykiller whalestorytellingorcaswhalehumpbacksminkeoceanswildlifemapwhale watchphotographywhale migrationstoriesoceanconservationphotogpsmammalwhale trackingnature & outdoorsphoto identificationmigrationorcatrackingmammalsunderwaterphoto idtrackfin whaleminke whalewhale biologynon-invasivesea animalocean-dwellinghumpbackecology & environmentwhale watchingmarine mammalrescueresearchmappingcetaceantop viewed 2021whalesfinidentificationstrandingdolphinseacitizen sciencesea mammalmarine mammalogyanimal

NSF’s NOIRLab

Globe at Night

To understand the impacts of light pollution.

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Ongoing

Citizen ScienceEcology & EnvironmentNature & OutdoorsAstronomy & Spacetop2022top viewed 2021csm2026light pollutioncsm-featuredtop 22 in 2022starnagirl scoutslibrary_mos

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 stormsthe globe programnasa goglobecsm2025nasa-supportednasa-sciactcsm-featuredgirl scoutsnasaapptop2022_nasaearth2025top viewed 2021top 22 in 2022dustcsm2026weathercloudsatmosphereclimate

iNaturalist

Share observations of biodiversity.

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Ongoing

Citizen ScienceEcology & EnvironmentAnimalsBiologyNature & OutdoorsInsects & PollinatorsOcean Water Marineiphoneappcsm-featuredbiodiversitynaturalistec2020_mosnaturetop viewed 2021girl scoutsinsect populationslibrarygardenandroidtop2022csm2026top 22 in 2022museumsummer reading 2021

ISeeChange

We’re making a record of climate change impacts.

Anywhere

Ongoing

Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmentphotographycitizen sciencemarine environmentbeachestreesmiamitop viewed 2021climate educationnasa orbiting carbon observatorynew orleansbackyardfunsensorscommunityclimateearth2025satellitesurban heat islandsnowwnycweatherclimate changetop 22 in 2022remote sensingdroughtcommunity engagementlos angelesstoriesjournalismresiliencepublic mediajulia kumari drapkinmappingcityjet propulsion laboratorycrowdsourcingneighborhoodraincoastal changegirl scoutsnprnasacsm2025radionew yorkearth scienceearthsciencefloodclimate sciencecitizen science watercsm-featuredcarbonsea level risecitizen journalismheatbirdstrees urban street forest mapurban heatyale climate connectionsmountainstop2022

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 & OutdoorsEducationcsm-featuredcsm2025ocean pollutionapptop viewed 2021plastic pollutionnature & outdoorsmarine debrisecology & environmentearth2025littergirl scoutswaste managementmarinecsm2026debristracker

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