top viewed 2021

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Dec 24, 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 & Outdoorsrob dunnfallsummerwintertop2022girl scoutspicnicantsantsummer reading 2021nutritioncookiesrob dunn labant picnicnorth carolinatop viewed 2021springnutrientstop 22 in 2022wildlifeoutsideyour wild lifefundietdunn lab

NASA / Zooniverse

Backyard Worlds: Planet 9

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

Anywhere

Ongoing

Citizen ScienceAstronomy & Spacenasa-supportednasawiseplanets_nasatop viewed 2021planet ninebrown dwarfsstarsnasa-sciactsolar system

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 & Outdoorscicadacicadastop viewed 2021insectsperiodical cicadasinsect

Crowd the Tap

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

Multiple locations, including yours!

Ongoing

Citizen ScienceHealth & Medicinetop viewed 2021healthpipeswatertop 22 in 2022top2022

Happywhale

Global Whale Tracking with Happywhale

Track individual whales and learn their stories.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsOcean Water MarineNature & Outdoorscitizen sciencetop viewed 2021finorcamigrationkiller whalewhale migrationcetaceanwhale watchocean-dwellingnon-invasiveresearchunderwaterstorytellingtrackhumpbackhumpbacksmappingorcasphoto identificationstrandingwhale watchingstoryphotographystoriesoceansmammaltrackingoceansea mammalminke whalesea animalwhalesidentificationnature & outdoorsanimalwhale trackingmammalsgpswhale biologyfin whalewildlifemarine mammalogyphotoconservationmarine mammalrescuedolphinminkephoto idwhaleseamapecology & environment

NSF’s NOIRLab

Globe at Night

To understand the impacts of light pollution.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentNature & OutdoorsAstronomy & Spacetop2022csm-featuredlibrarynatop viewed 2021light pollutionstargirl scoutstop 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 Marinedustclimateappnasa-supportedglobecloudsgirl scoutsearth2025nasatop2022csm2025nasa go_nasanasa-sciactweathertop viewed 2021the globe programtop 22 in 2022dust stormscsm-featuredatmosphere

iNaturalist

Share observations of biodiversity.

Anywhere

Ongoing

Citizen ScienceOcean Water MarineInsects & PollinatorsNature & OutdoorsBiologyAnimalsEcology & Environmentsummer reading 2021naturalistcsm-featuredec2020androidgirl scoutsappiphonebiodiversitytop 22 in 2022naturetop viewed 2021top2022insect populationsgardenlibrarymuseum

ISeeChange

We’re making a record of climate change impacts.

Anywhere

Ongoing

Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmentearthnasacitizen journalismnprcoastal changebackyardrainjet propulsion laboratorylos angelesnew orleansclimatesatellitesradiojulia kumari drapkinweatheryale climate connectionspublic mediaremote sensingmiamitreesphotographyclimate educationheaturban heat islandsensorscitymappingwnycdroughtstoriescsm2025citizen science watercrowdsourcingclimate changetop2022mountainsearth sciencefunclimate sciencemarine environmenturban heatcommunitysea level risejournalismtop viewed 2021csm-featuredcitizen sciencecarbonbeachestrees urban street forest mapsnowgirl scoutsnew yorknasa orbiting carbon observatoryresiliencetop 22 in 2022floodcommunity engagementearth2025birdsneighborhoodscience

Marine Debris Tracker

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

Anywhere

Ongoing

Citizen ScienceNature & OutdoorsEcology & EnvironmentGeology & Earth ScienceOcean Water MarineEducationapptop viewed 2021litterecology & environmentmarinenature & outdoorsearth2025marine debriscsm-featuredplastic pollutionocean pollutiondebrisgirl scoutswaste managementtrackercsm2025

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