top viewed 2021

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Jan 10, 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 & Outdoorspicniccookiesdietnutritionant picnicspringfunyour wild liferob dunn labdunn labtop viewed 2021summerrob dunnoutsideantswildlifeantnutrientsnorth carolinatop 22 in 2022top2022summer reading 2021girl scoutswinterfall

NASA / Zooniverse

Backyard Worlds: Planet 9

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

Anywhere

Ongoing

Citizen ScienceAstronomy & Spaceplanet ninenasa-sciactbrown dwarfs_nasastarsplanetstop viewed 2021solar systemnasa-supportednasawise

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 & Outdoorsinsectscicadascicadainsecttop viewed 2021periodical cicadas

Crowd the Tap

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

Multiple locations, including yours!

Ongoing

Citizen ScienceHealth & Medicinetop 22 in 2022pipestop2022top viewed 2021waterhealth

Happywhale

Global Whale Tracking with Happywhale

Track individual whales and learn their stories.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsOcean Water MarineNature & Outdoorsorcaoceankiller whaletop viewed 2021gpswhale watchphotographyminkeresearchmammalsoceansrescuewildlifetrackhumpbackwhalenon-invasivecitizen sciencemappingphoto idwhale migrationtrackingsea animalunderwatersea mammalhumpbackswhale biologyfinidentificationstoriesnature & outdoorsphoto identificationstrandingphotomapfin whalemarine mammalogyseaorcasmigrationwhale watchingwhalesconservationstoryocean-dwellingcetaceanecology & environmentdolphinanimalminke whalestorytellingmarine mammalmammalwhale tracking

NSF’s NOIRLab

Globe at Night

To understand the impacts of light pollution.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentNature & OutdoorsAstronomy & Spacegirl scoutscsm-featuredlight pollutionlibrarytop2022top 22 in 2022starnatop viewed 2021

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 Marinenasa-supportedtop 22 in 2022dust stormstop2022nasagirl scoutstop viewed 2021nasa gothe globe programatmospheredustcloudsnasa-sciactcsm2025earth2025csm-featuredglobeweather_nasaappclimate

iNaturalist

Share observations of biodiversity.

Anywhere

Ongoing

Citizen ScienceOcean Water MarineInsects & PollinatorsNature & OutdoorsBiologyAnimalsEcology & Environmenttop 22 in 2022naturalistgardenappcsm-featuredtop2022biodiversitysummer reading 2021girl scoutsiphonemuseumec2020librarynatureinsect populationstop viewed 2021android

ISeeChange

We’re making a record of climate change impacts.

Anywhere

Ongoing

Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmentdroughtmountainsnprcitizen journalismstoriesneighborhoodfloodcityfuntreescarboncommunity engagementcsm-featuredmarine environmentheatsensorsjet propulsion laboratorynasa orbiting carbon observatorycitizen sciencesatellitesnew orleansclimate changeweatherlos angelesclimate educationmiamiyale climate connectionsjulia kumari drapkinurban heat islandsea level risetrees urban street forest maptop viewed 2021climate sciencerainjournalismnasabirdsradiocommunityresiliencetop2022citizen science waterearthnew yorkremote sensingpublic mediaurban heatgirl scoutscrowdsourcingbackyardwnycsnowcsm2025top 22 in 2022photographyearth2025climatecoastal changeearth sciencemappingbeachesscience

Marine Debris Tracker

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

Anywhere

Ongoing

Citizen ScienceNature & OutdoorsEcology & EnvironmentGeology & Earth ScienceOcean Water MarineEducationmarine debrismarineappdebrisgirl scoutswaste managementtop viewed 2021csm-featuredtrackerlittercsm2025ecology & environmentearth2025ocean pollutionnature & outdoorsplastic pollution

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