top viewed 2021

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Apr 13, 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 & Outdoorsfuntop2022nutrientscookiesantsnorth carolinawildlifedunn labantnutritionsummer reading 2021girl scoutsspringtop viewed 2021top 22 in 2022your wild lifefallpicnicoutsidewinterdietant picnicrob dunn labrob dunnsummer

NASA / Zooniverse

Backyard Worlds: Planet 9

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

Anywhere

Ongoing

Citizen ScienceAstronomy & Spacenasa-sciactplanet ninenasa-supportedbrown dwarfs_nasasolar systemplanetsnasatop viewed 2021starswise

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 & Outdoorscicadastop viewed 2021insectinsectscicadaperiodical cicadas

Crowd the Tap

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

Multiple locations, including yours!

Ongoing

Citizen ScienceHealth & Medicinehealthtop2022watertop 22 in 2022pipestop viewed 2021

Happywhale

Global Whale Tracking with Happywhale

Track individual whales and learn their stories.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsOcean Water MarineNature & Outdoorsnature & outdoorsmarine mammalogyorcawhale watchingtrackconservationminkewhalewhale migrationcetaceanecology & environmentphoto identificationstrandingsea mammalsea animalmapunderwaterwhale watchmarine mammalstorygpsfinstoriesrescuephotominke whalenon-invasivetop viewed 2021orcasanimaloceansidentificationdolphinseaocean-dwellingwhalesmigrationfin whalewildlifemammaltrackingstorytellingcitizen scienceresearchwhale trackingphotographyhumpbacksoceanmammalshumpbackkiller whalephoto idwhale biologymapping

NSF’s NOIRLab

Globe at Night

To understand the impacts of light pollution.

Anywhere

Ongoing

Citizen ScienceAstronomy & SpaceNature & OutdoorsEcology & Environmentlibrarynatop2022light pollutiontop viewed 2021top 22 in 2022girl scoutscsm-featuredcsm2026star

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 & Weathertop viewed 2021atmosphereglobecsm2025dust_nasanasa-supportedearth2025dust stormsnasaapptop2022girl scoutscsm2026top 22 in 2022weathernasa-sciactthe globe programcsm-featurednasa gocloudsclimate

iNaturalist

Share observations of biodiversity.

Anywhere

Ongoing

Citizen ScienceOcean Water MarineInsects & PollinatorsNature & OutdoorsBiologyAnimalsEcology & Environmentmuseuminsect populationstop viewed 2021csm-featurednaturebiodiversitytop 22 in 2022appgardenandroidcsm2026girl scoutssummer reading 2021ec2020naturalistlibraryiphonetop2022

ISeeChange

We’re making a record of climate change impacts.

Anywhere

Ongoing

Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmentsatellitesbeachesmappingbirdslos angeleswnyccsm-featuredyale climate connectionsclimate sciencecsm2025heatjournalismradioclimate educationdroughttreesrainnprtop 22 in 2022climatecrowdsourcingearth sciencestoriesjulia kumari drapkincitizen journalismcoastal changemountainscitizen sciencecitizen science waterbackyardcarbonfunscienceurban heat islandnasafloodtop viewed 2021cityphotographyneighborhoodgirl scoutspublic mediamarine environmentresiliencenew orleanssea level riseremote sensingclimate changenew yorkweathercommunity engagementearthjet propulsion laboratorytrees urban street forest mapurban heatsnowtop2022nasa orbiting carbon observatorymiamiearth2025communitysensors

Marine Debris Tracker

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

Anywhere

Ongoing

Citizen ScienceGeology & Earth ScienceEcology & EnvironmentOcean Water MarineNature & OutdoorsEducationmarinenature & outdoorsecology & environmentgirl scoutsearth2025littercsm2026plastic pollutionocean pollutionwaste managementtrackercsm2025top viewed 2021marine debrisdebriscsm-featuredapp

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