top viewed 2021

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Feb 3, 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 & Outdoorsfunant picnicsummerantstop2022rob dunnspringantnutrientsyour wild lifetop viewed 2021top 22 in 2022cookiesdunn labwinternutritionsummer reading 2021outsiderob dunn labwildlifenorth carolinafallgirl scoutspicnicdiet

NASA / Zooniverse

Backyard Worlds: Planet 9

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

Anywhere

Ongoing

Citizen ScienceAstronomy & Spacenasatop viewed 2021planet ninenasa-supportednasa-sciactwiseplanets_nasastarssolar systembrown dwarfs

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 & Outdoorscicadacicadasinsectperiodical cicadasinsectstop viewed 2021

Crowd the Tap

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

Multiple locations, including yours!

Ongoing

Citizen ScienceHealth & Medicinehealthpipestop2022watertop viewed 2021top 22 in 2022

Happywhale

Global Whale Tracking with Happywhale

Track individual whales and learn their stories.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsOcean Water MarineNature & Outdoorsminkemapmappingdolphinseastorytellingwildlifeoceanscitizen sciencewhalesmammalfinminke whalestorywhale biologymigrationphotowhale migrationcetaceantrackphotographysea animalwhalephoto identificationnature & outdoorsgpshumpbackstrackingkiller whaleconservationocean-dwellingphoto idunderwatersea mammaloceanwhale watchingnon-invasiveresearchmammalsecology & environmentwhale watchfin whalerescueidentificationwhale trackingtop viewed 2021orcasmarine mammalhumpbackorcastoriesstrandingmarine mammalogyanimal

NSF’s NOIRLab

Globe at Night

To understand the impacts of light pollution.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentNature & OutdoorsAstronomy & Spacecsm-featuredgirl scoutslight pollutiontop viewed 2021librarynastartop2022top 22 in 2022

NASA and The GLOBE Program

GLOBE Observer: Clouds

Help scientists understand the sky from above and below.

Anywhere

Ongoing

Citizen ScienceOcean Water MarineNature & OutdoorsClimate & WeatherEcology & EnvironmentAstronomy & SpaceGeology & Earth Sciencenasa-supportedglobedust stormsclouds_nasanasa goweatherclimatedustnasa-sciactthe globe programtop viewed 2021nasaappcsm-featuredtop2022earth2025atmospheregirl scoutscsm2025top 22 in 2022

iNaturalist

Share observations of biodiversity.

Anywhere

Ongoing

Citizen ScienceOcean Water MarineInsects & PollinatorsNature & OutdoorsBiologyAnimalsEcology & Environmentnaturegardentop2022iphoneapptop 22 in 2022girl scoutstop viewed 2021summer reading 2021museumlibraryinsect populationsbiodiversityandroidcsm-featuredec2020naturalist

ISeeChange

We’re making a record of climate change impacts.

Anywhere

Ongoing

Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmentclimate educationcsm2025julia kumari drapkinsciencewnycstoriesearth2025nasacsm-featuredcarbonnpryale climate connectionsrainbeachessatellitesnasa orbiting carbon observatoryneighborhoodmountainstop viewed 2021backyardcitizen science watermarine environmentbirdsremote sensingmiaminew yorkgirl scoutscommunityjet propulsion laboratorycitytrees urban street forest mapphotographyfloodcrowdsourcingsnownew orleanscitizen scienceearthradioclimate scienceresilienceclimateheatcommunity engagementurban heat islandfuntreescoastal changesea level riselos angelesdroughtearth scienceweatherpublic mediacitizen journalismtop 22 in 2022urban heatclimate changetop2022sensorsjournalismmapping

Marine Debris Tracker

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

Anywhere

Ongoing

Citizen ScienceGeology & Earth ScienceNature & OutdoorsEcology & EnvironmentOcean Water MarineEducationapptrackerwaste managementearth2025marine debrisnature & outdoorsdebriscsm-featuredplastic pollutionocean pollutionecology & environmentlittercsm2025marinetop viewed 2021girl scouts

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