top viewed 2021

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May 25, 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 carolinaoutsidedietcookiessummerfallrob dunntop2022wildlifeantwintertop viewed 2021ant picnicyour wild lifesummer reading 2021dunn labnutritionspringfungirl scoutsnutrientsrob dunn labpicnicantstop 22 in 2022

NASA / Zooniverse

Backyard Worlds: Planet 9

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

Anywhere

Ongoing

Citizen ScienceAstronomy & Spaceplanet ninesolar systemstarswiseplanetsnasa-supportedbrown dwarfsnasa-sciacttop viewed 2021_nasanasa

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 & Outdoorsinsectcicadasperiodical cicadastop viewed 2021cicadainsects

Crowd the Tap

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

Multiple locations, including yours!

Ongoing

Citizen ScienceHealth & Medicinetop 22 in 2022top2022healthwaterpipestop viewed 2021

Happywhale

Global Whale Tracking with Happywhale

Track individual whales and learn their stories.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsOcean Water MarineNature & Outdoorshumpbacksresearchwildlifedolphinwhale trackingocean-dwellingconservationorcawhalestorytellingkiller whalemarine mammalecology & environmentsea animalwhale biologynon-invasivewhale migrationunderwateridentificationoceanphoto idtop viewed 2021photorescuemammalmappingminke whaleoceanswhale watchfin whalemarine mammalogytrackingstorynature & outdoorsanimalwhalesmapphoto identificationhumpbackfinstoriesstrandingcitizen scienceorcasmammalssea mammalwhale watchingseacetaceantrackphotographymigrationgpsminke

NSF’s NOIRLab

Globe at Night

To understand the impacts of light pollution.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentNature & OutdoorsAstronomy & Spacenacsm-featuredtop 22 in 2022librarygirl scoutstop viewed 2021_moslight pollutionstartop2022csm2026

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 & Weather_nasanasa-supportedappgirl scoutsnasa gocsm2026atmospheredustcsm2025cloudstop 22 in 2022nasa-sciactcsm-featuredglobeweatherdust stormsclimateearth2025top2022the globe programnasatop viewed 2021

iNaturalist

Share observations of biodiversity.

Anywhere

Ongoing

Citizen ScienceOcean Water MarineInsects & PollinatorsNature & OutdoorsBiologyAnimalsEcology & Environmentgirl scoutsandroidec2020insect populationsmuseumcsm-featurediphonecsm2026summer reading 2021appnaturalisttop2022gardenlibrary_mosnaturetop viewed 2021biodiversitytop 22 in 2022

ISeeChange

We’re making a record of climate change impacts.

Anywhere

Ongoing

Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmenttop viewed 2021jet propulsion laboratorytreescitizen journalismneighborhoodphotographybeachesgirl scoutscitynasa orbiting carbon observatorycsm2025journalismmarine environmentfunweathersea level risetop2022crowdsourcingcsm-featuredcarbonwnyccitizen sciencenprnew orleansheatdroughtstoriesnew yorkearth sciencebackyardcoastal changeradioclimate sciencetop 22 in 2022rainpublic mediasnowfloodresiliencemiamiclimatecommunitysatellitesclimate educationearthurban heat islandjulia kumari drapkinyale climate connectionsclimate changecommunity engagementbirdsremote sensingsciencesensorscitizen science watermountainstrees urban street forest mapnasamappinglos angelesurban heatearth2025

Marine Debris Tracker

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

Anywhere

Ongoing

Citizen ScienceGeology & Earth ScienceEcology & EnvironmentOcean Water MarineNature & OutdoorsEducationcsm2025apptrackertop viewed 2021waste managementmarinemarine debrislitterdebrisearth2025girl scoutsocean pollutioncsm2026csm-featuredplastic pollutionnature & outdoorsecology & environment

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