top viewed 2021

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Oct 31, 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 MarineFoodAgriculturespringantspicnicnutritiondiettop viewed 2021outsidefunnorth carolinasummercookiesantrob dunn labwintergirl scoutsnutrientstop 22 in 2022top2022rob dunnwildlifeyour wild lifesummer reading 2021dunn labant picnicfall

NASA / Zooniverse

Backyard Worlds: Planet 9

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

Anywhere

Ongoing

Citizen ScienceAstronomy & Spacestarstop viewed 2021planetsnasa-sciactwise_nasabrown dwarfsplanet ninesolar systemnasa

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 & Outdoorsinsectcicadasinsectstop viewed 2021periodical cicadascicada

Crowd the Tap

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

Multiple locations, including yours!

Ongoing

Citizen ScienceHealth & Medicinepipestop viewed 2021waterhealthtop 22 in 2022top2022

Happywhale

Global Whale Tracking with Happywhale

Track individual whales and learn their stories.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsOcean Water MarineNature & Outdoorswhalessea mammalwhale trackingphoto idmammalswhale migrationstorytellingmarine mammaltop viewed 2021citizen sciencestoriesmigrationocean-dwellingkiller whaleresearchfin whalemapminke whaleunderwaterrescueconservationhumpbacksmappingorcahumpbackwhaleecology & environmenttrackingwhale watchtrackoceanwhale biologywildlifephotostoryphotographyanimaloceanswhale watchinggpsfinorcasidentificationnature & outdoorscetaceanstrandingmarine mammalogydolphinmammalnon-invasivephoto identificationsea animalminkesea

NSF’s NOIRLab

Globe at Night

To understand the impacts of light pollution.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentNature & OutdoorsAstronomy & Spacestarlibrarycsm-featuredtop viewed 2021top2022top 22 in 2022light pollutiongirl scoutsna

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-sciact_nasadusttop2022nasacsm-featuredcsm2025atmospheretop viewed 2021globecloudsearth2025apptop 22 in 2022girl scoutsclimatethe globe programweatherdust stormsnasa go

iNaturalist

Share observations of biodiversity.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentBiologyOcean Water MarineAnimalsNature & OutdoorsInsects & Pollinatorstop 22 in 2022top2022naturesummer reading 2021biodiversitygardennaturalistiphonemuseuminsect populationslibrarycsm-featuredgirl scoutsandroidtop viewed 2021ec2020app

ISeeChange

We’re making a record of climate change impacts.

Anywhere

Ongoing

Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmentclimate changecommunity engagementtop viewed 2021journalismbirdstop2022backyardcommunityradioweathernasa orbiting carbon observatorytrees urban street forest maplos angelesrainfungirl scoutsresiliencemiaminew orleansmarine environmentjulia kumari drapkinsea level risedroughtcsm-featuredclimate scienceclimatetreesphotographyclimate educationmountainsearth2025nprfloodnasasensorsyale climate connectionsurban heatneighborhoodbeachesnew yorkcarbonstoriessnowcitizen science watercrowdsourcingcitymappingpublic mediatop 22 in 2022heatcitizen scienceremote sensingcitizen journalismwnycearthearth sciencesatellitescoastal changesciencejet propulsion laboratorycsm2025urban heat island

Marine Debris Tracker

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

Anywhere

Ongoing

Citizen ScienceNature & OutdoorsEcology & EnvironmentGeology & Earth ScienceOcean Water MarineEducationnature & outdoorscsm2025debriscsm-featuredappwaste managementtrackergirl scoutsplastic pollutionmarineearth2025littertop viewed 2021ecology & environmentocean pollutionmarine debris

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