top viewed 2021

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Oct 3, 2025

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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 MarineFoodAgricultureantoutsidesummerrob dunnyour wild lifeantsrob dunn labgirl scoutsant picnicnorth carolinatop viewed 2021summer reading 2021top2022dietpicnicnutritionwinternutrientswildlifespringdunn labfunfallcookiestop 22 in 2022

NASA / Zooniverse

Backyard Worlds: Planet 9

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

Anywhere

Ongoing

Citizen ScienceAstronomy & Spaceplanetsbrown dwarfswise_nasasolar systemnasa-sciacttop viewed 2021nasaplanet ninestars

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 & Outdoorscicadainsectperiodical cicadascicadasinsectstop viewed 2021

Crowd the Tap

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

Multiple locations, including yours!

Ongoing

Citizen ScienceHealth & Medicinetop2022pipeshealthtop 22 in 2022top viewed 2021water

Happywhale

Global Whale Tracking with Happywhale

Track individual whales and learn their stories.

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Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsOcean Water MarineNature & Outdoorsstorystoriesanimalhumpbackmammalmarine mammalogyconservationecology & environmentsea animalmigrationmammalsphoto idtop viewed 2021orcaswhalewhalesresearchminkefin whalewhale trackingfinidentificationmarine mammaloceanwhale migrationstorytellingmaptrackgpswhale biologynature & outdoorskiller whaleminke whaleorcawhale watchingphotographydolphinocean-dwellingwhale watchmappingphoto identificationstrandingoceansphotosea mammalnon-invasivecitizen sciencehumpbackswildlifeunderwatercetaceansearescuetracking

NSF’s NOIRLab

Globe at Night

To understand the impacts of light pollution.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentNature & OutdoorsAstronomy & Spacetop 22 in 2022csm-featuredstartop viewed 2021top2022nalibrarygirl scoutslight pollution

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 Marineweather_nasadust stormsatmosphereclimateearth2025dustnasaapptop 22 in 2022csm-featuredcloudscsm2025nasa-sciactglobetop viewed 2021girl scoutsnasa gothe globe programtop2022

iNaturalist

Share observations of biodiversity.

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Ongoing

Citizen ScienceEcology & EnvironmentBiologyOcean Water MarineAnimalsNature & OutdoorsInsects & Pollinatorsmuseumnaturalistgirl scoutsnaturetop2022top 22 in 2022biodiversityandroidec2020gardenlibraryinsect populationscsm-featuredtop viewed 2021iphoneappsummer reading 2021

ISeeChange

We’re making a record of climate change impacts.

Anywhere

Ongoing

Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmentearth sciencemiamiclimate scienceclimate changemountainsclimatefloodcitizen journalismcitizen science wateryale climate connectionssensorsresiliencelos angelesmarine environmentcarboncrowdsourcingcitycsm2025climate educationstoriestop 22 in 2022weathersnowsea level risefunwnyctrees urban street forest mapnew orleansneighborhoodearth2025top2022heattop viewed 2021treesjournalismbeachesmappingraincoastal changenew yorkcommunity engagementgirl scoutsbackyardpublic medianasa orbiting carbon observatorybirdssciencephotographyurban heat islandsatellitesnasacommunitycsm-featuredremote sensingjet propulsion laboratorydroughtearthcitizen scienceurban heatjulia kumari drapkinradionpr

Marine Debris Tracker

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

Anywhere

Ongoing

Citizen ScienceNature & OutdoorsEcology & EnvironmentGeology & Earth ScienceOcean Water MarineEducationtop viewed 2021trackercsm-featuredgirl scoutsmarineecology & environmentmarine debrisocean pollutioncsm2025debrislitterplastic pollutionearth2025waste managementappnature & outdoors

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