top viewed 2021

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Jan 25, 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 MarineFoodAgriculturerob dunnrob dunn labantsantwildlifepicniccookiesfuntop viewed 2021top 22 in 2022nutritionsummerant picnicnutrientsnorth carolinawinterdietfallgirl scoutssummer reading 2021outsidespringdunn labyour wild lifetop2022

NASA / Zooniverse

Backyard Worlds: Planet 9

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

Anywhere

Ongoing

Citizen ScienceAstronomy & Spacestarswisesolar system_nasanasa-sciactplanet ninebrown dwarfsnasa-supportedtop viewed 2021planetsnasa

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 & Outdoorscicadasperiodical cicadascicadatop viewed 2021insectsinsect

Crowd the Tap

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

Multiple locations, including yours!

Ongoing

Citizen ScienceHealth & Medicinehealthtop2022top 22 in 2022watertop viewed 2021pipes

Happywhale

Global Whale Tracking with Happywhale

Track individual whales and learn their stories.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsOcean Water MarineNature & Outdoorstrackorcaoceanstop viewed 2021whalerescuephoto identificationsea mammalmappingwhalesfinmarine mammalogyocean-dwellingcitizen scienceresearchwildlifeseahumpbacksmammalstorytellingphotonon-invasivekiller whaleorcaswhale migrationsea animaloceanminke whaletrackingecology & environmentmapmarine mammalmammalsphoto idhumpbackconservationstorygpsmigrationminkewhale trackingwhale biologyfin whaleunderwaterphotographyidentificationanimalwhale watchcetaceanstoriesnature & outdoorsstrandingwhale watchingdolphin

NSF’s NOIRLab

Globe at Night

To understand the impacts of light pollution.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentNature & OutdoorsAstronomy & Spacecsm-featurednastargirl scoutstop2022top 22 in 2022top viewed 2021light pollutionlibrary

NASA and The GLOBE Program

GLOBE Observer: Clouds

Help scientists understand the sky from above and below.

Anywhere

Ongoing

Citizen ScienceGeology & Earth ScienceAstronomy & SpaceEcology & EnvironmentClimate & WeatherNature & OutdoorsOcean Water Marinetop 22 in 2022nasacsm-featurednasa gocsm2025earth2025the globe programnasa-sciactweathertop viewed 2021globeclimatedustatmosphere_nasanasa-supporteddust stormscloudsgirl scoutsapptop2022

iNaturalist

Share observations of biodiversity.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsBiologyNature & OutdoorsInsects & PollinatorsOcean Water Marinetop viewed 2021museumcsm-featuredappnatureec2020naturalistsummer reading 2021gardenlibraryandroidgirl scoutsinsect populationstop 22 in 2022biodiversitytop2022iphone

ISeeChange

We’re making a record of climate change impacts.

Anywhere

Ongoing

Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmentweatherraindroughtsensorsjet propulsion laboratorypublic mediaresiliencetop viewed 2021julia kumari drapkinsnowgirl scoutsradiomiamicitizen sciencecoastal changeearthbackyardbeachesheatneighborhoodclimate sciencecarboncityfloodtrees urban street forest maptop2022citizen journalismbirdsnprcommunity engagementtreestop 22 in 2022climate educationwnycnew yorkearth scienceclimatenasafunclimate changenew orleansearth2025communityurban heat islandyale climate connectionssea level risecsm2025mappingsatellitesurban heatnasa orbiting carbon observatorymountainsphotographysciencecsm-featuredstoriesjournalismcrowdsourcingcitizen science waterlos angelesremote sensingmarine environment

Marine Debris Tracker

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

Anywhere

Ongoing

Citizen ScienceGeology & Earth ScienceNature & OutdoorsEcology & EnvironmentOcean Water MarineEducationgirl scoutsnature & outdoorstop viewed 2021marine debrisearth2025waste managementtrackerocean pollutionecology & environmentmarineplastic pollutioncsm-featureddebrisappcsm2025litter

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