top viewed 2021

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Mar 26, 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 & Outdoorsnutritionsummerwildliferob dunnoutsidepicnicgirl scoutsantnutrientssummer reading 2021ant picnictop viewed 2021antstop2022top 22 in 2022winteryour wild lifenorth carolinaspringrob dunn labdunn labdietcookiesfallfun

NASA / Zooniverse

Backyard Worlds: Planet 9

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

Anywhere

Ongoing

Citizen ScienceAstronomy & Spacestarswisesolar systemplanetsnasa-sciacttop viewed 2021nasa_nasanasa-supportedbrown dwarfsplanet nine

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 & Outdoorstop viewed 2021cicadascicadainsectinsectsperiodical cicadas

Crowd the Tap

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

Multiple locations, including yours!

Ongoing

Citizen ScienceHealth & Medicinepipestop viewed 2021healthwatertop2022top 22 in 2022

Happywhale

Global Whale Tracking with Happywhale

Track individual whales and learn their stories.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsOcean Water MarineNature & Outdoorssea mammaloceanresearchrescuemappingphotophoto identificationwhalesminke whalestoriesanimalwhaletrackstorytellingnon-invasivegpsnature & outdoorswhale watchocean-dwellingorcaunderwatermapconservationminkemammalfin whalewhale biologystrandingmarine mammalogyhumpbacksdolphincetaceanseaphotographywhale migrationwhale watchingcitizen scienceidentificationecology & environmentwhale trackingwildlifephoto idorcasfinmigrationtrackinghumpbackoceansmarine mammalmammalstop viewed 2021sea animalstorykiller whale

NSF’s NOIRLab

Globe at Night

To understand the impacts of light pollution.

Anywhere

Ongoing

Citizen ScienceAstronomy & SpaceNature & OutdoorsEcology & Environmentnacsm2026librarygirl scoutstop2022top viewed 2021startop 22 in 2022light pollutioncsm-featured

NASA and The GLOBE Program

GLOBE Observer: Clouds

Help scientists understand the sky from above and below.

Anywhere

Ongoing

Citizen ScienceNature & OutdoorsOcean Water MarineEcology & EnvironmentClimate & WeatherGeology & Earth ScienceAstronomy & Spaceclimatetop viewed 2021dust stormsearth2025csm2026girl scoutstop2022nasanasa-sciactdustcsm-featuredweathernasa-supportedatmosphereglobenasa gotop 22 in 2022_nasathe globe programcloudsappcsm2025

iNaturalist

Share observations of biodiversity.

Anywhere

Ongoing

Citizen ScienceOcean Water MarineInsects & PollinatorsNature & OutdoorsBiologyAnimalsEcology & Environmentgardenappgirl scoutssummer reading 2021ec2020top2022librarycsm-featuredandroidcsm2026biodiversityinsect populationsiphonemuseumtop 22 in 2022naturenaturalisttop viewed 2021

ISeeChange

We’re making a record of climate change impacts.

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Ongoing

Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmentmarine environmentclimate educationfunnew orleansmappingrainyale climate connectionscarbonjulia kumari drapkincrowdsourcingbackyardurban heat islandsatellitescitysciencejet propulsion laboratoryresiliencecitizen journalismnasabirdssnowremote sensingearth2025journalismsensorsphotographytrees urban street forest maptop2022top 22 in 2022nasa orbiting carbon observatoryheatcoastal changedroughturban heatpublic mediacommunity engagementweatherbeachessea level risecsm2025communityearth sciencewnyclos angelesnprneighborhoodclimateearthcitizen sciencemountainscitizen science watercsm-featurednew yorktop viewed 2021radiostoriesclimate changefloodtreesmiamigirl scoutsclimate science

Marine Debris Tracker

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

Anywhere

Ongoing

Citizen ScienceGeology & Earth ScienceEcology & EnvironmentOcean Water MarineNature & OutdoorsEducationnature & outdoorstop viewed 2021ocean pollutiondebristrackerappwaste managementmarineplastic pollutioncsm-featuredecology & environmentearth2025csm2026girl scoutslittermarine debriscsm2025

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