top viewed 2021

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Jan 23, 2026

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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 MarineFoodAgriculturegirl scoutscookiestop 22 in 2022nutritionsummer reading 2021dunn labnorth carolinanutrientstop viewed 2021antant picnicrob dunn labtop2022fallfunwildlifeantssummerpicnicdietwinteryour wild liferob dunnoutsidespring

NASA / Zooniverse

Backyard Worlds: Planet 9

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

Anywhere

Ongoing

Citizen ScienceAstronomy & Spacebrown dwarfsstarsnasa-sciactnasaplanet ninenasa-supported_nasawisesolar systemtop viewed 2021planets

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 & Outdoorscicadascicadatop viewed 2021insectperiodical cicadasinsects

Crowd the Tap

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

Multiple locations, including yours!

Ongoing

Citizen ScienceHealth & Medicinehealthwatertop viewed 2021top2022pipestop 22 in 2022

Happywhale

Global Whale Tracking with Happywhale

Track individual whales and learn their stories.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsOcean Water MarineNature & Outdoorsoceannon-invasivefin whaleminke whaletop viewed 2021humpbacktrackstrandingconservationoceansgpsphototrackingcitizen sciencehumpbacksfinstorywhale watchocean-dwellingmarine mammalminkewhale watchingstorytellingorcawhale trackingwhale biologywhale migrationsea mammalanimalmigrationidentificationphoto identificationmammalsmapstoriesrescuewhaleswildlifemarine mammalogyresearchmappingdolphinkiller whaleseaecology & environmentwhalesea animalphotographyorcasmammalphoto idcetaceannature & outdoorsunderwater

NSF’s NOIRLab

Globe at Night

To understand the impacts of light pollution.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentNature & OutdoorsAstronomy & Spacelibrarytop2022girl scoutsnatop 22 in 2022csm-featuredtop viewed 2021light pollutionstar

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 Marineearth2025csm-featuredatmosphereglobedustdust stormscloudstop 22 in 2022nasa-sciactcsm2025top2022weathergirl scoutsthe globe programappnasanasa-supportedtop viewed 2021climatenasa go_nasa

iNaturalist

Share observations of biodiversity.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentAnimalsBiologyNature & OutdoorsInsects & PollinatorsOcean Water Marinegirl scoutsinsect populationstop2022gardennaturalisttop 22 in 2022top viewed 2021biodiversityandroidmuseumlibraryiphonecsm-featurednatureec2020appsummer reading 2021

ISeeChange

We’re making a record of climate change impacts.

Anywhere

Ongoing

Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmentfunpublic mediaurban heat islandtop viewed 2021storiesnprsensorsclimate sciencecommunitysatellitessnowneighborhoodcitysciencesea level risecarbonheatcitizen scienceclimate educationnew orleansjet propulsion laboratorymountainscrowdsourcingnasa orbiting carbon observatorycommunity engagementresiliencemiamijulia kumari drapkinearth2025csm2025climate changecsm-featuredmarine environmentcitizen science waterearth sciencegirl scoutsjournalismrainphotographyearthwnycfloodweatherdroughtnew yorkradioyale climate connectionstreesremote sensingcoastal changecitizen journalismtop2022backyardbirdstrees urban street forest mapmappingtop 22 in 2022los angelesnasaurban heatclimatebeaches

Marine Debris Tracker

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

Anywhere

Ongoing

Citizen ScienceGeology & Earth ScienceNature & OutdoorsEcology & EnvironmentOcean Water MarineEducationmarinewaste managementmarine debristop viewed 2021nature & outdoorsgirl scoutsocean pollutiondebrisecology & environmentappearth2025csm-featuredtrackerlitterplastic pollutioncsm2025

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