top viewed 2021

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Dec 11, 2025

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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 & Outdoorssummer reading 2021top 22 in 2022outsidesummerdietantcookiesnutrientsant picnicantsrob dunnfuntop2022nutritionyour wild lifewildlifedunn labspringrob dunn labpicnicgirl scoutsnorth carolinawinterfalltop viewed 2021

NASA / Zooniverse

Backyard Worlds: Planet 9

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

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Ongoing

Citizen ScienceAstronomy & Spacestarsplanet ninewisesolar systembrown dwarfsnasaplanetsnasa-supported_nasanasa-sciacttop viewed 2021

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 & Outdoorscicadainsectscicadastop viewed 2021periodical cicadasinsect

Crowd the Tap

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

Multiple locations, including yours!

Ongoing

Citizen ScienceHealth & Medicinetop 22 in 2022pipestop2022watertop viewed 2021health

Happywhale

Global Whale Tracking with Happywhale

Track individual whales and learn their stories.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsOcean Water MarineNature & Outdoorscetaceanrescueseafin whalewhale migrationmammaldolphinoceanmigrationminke whalemapphotounderwaterorcasconservationoceansecology & environmentwhale watchsea animalanimalstorytrackwhale trackingwildlifewhale watchingnon-invasivephotographyfinidentificationmappingorcamarine mammalocean-dwellingstrandingmarine mammalogytrackingkiller whalephoto idhumpbackwhalesmammalsstorytellingwhaleminkeresearchhumpbackswhale biologycitizen sciencestoriesnature & outdoorsgpssea mammalphoto identificationtop viewed 2021

NSF’s NOIRLab

Globe at Night

To understand the impacts of light pollution.

Anywhere

Ongoing

Citizen ScienceAstronomy & SpaceNature & OutdoorsEcology & Environmentgirl scoutslibrarycsm-featuredtop2022starnalight pollutiontop viewed 2021top 22 in 2022

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 Marinedust stormscsm2025atmospherenasaglobecsm-featuredcloudstop2022apptop 22 in 2022_nasaclimatenasa-sciactweathergirl scoutsthe globe programearth2025dustnasa gonasa-supportedtop viewed 2021

iNaturalist

Share observations of biodiversity.

Anywhere

Ongoing

Citizen ScienceOcean Water MarineInsects & PollinatorsNature & OutdoorsBiologyAnimalsEcology & Environmentsummer reading 2021naturegirl scoutsec2020androidcsm-featuredtop2022museumtop 22 in 2022biodiversityiphoneinsect populationsnaturalistapptop viewed 2021librarygarden

ISeeChange

We’re making a record of climate change impacts.

Anywhere

Ongoing

Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmentrainclimatetop viewed 2021beachesurban heat islandcsm-featurednew yorkmappingheattreesnasa orbiting carbon observatorynasafloodlos angelestrees urban street forest mapdroughtresiliencestoriestop2022new orleansearth sciencenprwnyccommunity engagementcrowdsourcingjournalismjet propulsion laboratoryclimate sciencemiamiearth2025remote sensingmarine environmentjulia kumari drapkinphotographyscienceradiofunpublic mediatop 22 in 2022coastal changesnowyale climate connectionsmountainscitizen science watergirl scoutscitycsm2025neighborhoodclimate changesensorsclimate educationbackyardweathercommunitysea level riseurban heatearthcitizen journalismsatellitescarbonbirdscitizen science

Marine Debris Tracker

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

Anywhere

Ongoing

Citizen ScienceNature & OutdoorsEcology & EnvironmentGeology & Earth ScienceOcean Water MarineEducationcsm-featuredmarine debrisgirl scoutswaste managementapptrackertop viewed 2021earth2025nature & outdoorscsm2025plastic pollutionecology & environmentmarinedebrisocean pollutionlitter

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