top viewed 2021

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Mar 28, 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 & Outdoorsdunn labtop viewed 2021ant picnicgirl scoutscookiesnutritiontop 22 in 2022antspringrob dunn labnorth carolinayour wild lifewildlifedietpicnicsummer reading 2021nutrientsantsrob dunnfunwinterfalltop2022summeroutside

NASA / Zooniverse

Backyard Worlds: Planet 9

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

Anywhere

Ongoing

Citizen ScienceAstronomy & Spacewise_nasaplanetsplanet ninestarsbrown dwarfssolar systemtop viewed 2021nasanasa-supportednasa-sciact

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 & Outdoorsperiodical cicadastop viewed 2021insectinsectscicadascicada

Crowd the Tap

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

Multiple locations, including yours!

Ongoing

Citizen ScienceHealth & Medicinepipestop 22 in 2022top viewed 2021waterhealthtop2022

Happywhale

Global Whale Tracking with Happywhale

Track individual whales and learn their stories.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsOcean Water MarineNature & Outdoorsunderwaterhumpbackminkemappingtrackingtop viewed 2021whalephoto idwhale watchingwhaleshumpbacksseatracksea mammalmammalorcagpsanimalstoryphoto identificationmarine mammalogyphotomapoceanconservationecology & environmentmammalssea animalresearchcitizen sciencenature & outdoorsstrandingwhale migrationcetaceankiller whalefinstorytellingfin whalemigrationwhale trackingminke whaleoceanswildlifewhale watchphotographyorcasnon-invasivewhale biologyocean-dwellingmarine mammalrescueidentificationstoriesdolphin

NSF’s NOIRLab

Globe at Night

To understand the impacts of light pollution.

Anywhere

Ongoing

Citizen ScienceAstronomy & SpaceNature & OutdoorsEcology & Environmentgirl scoutstop 22 in 2022light pollutionstarcsm-featuredcsm2026nalibrarytop2022top viewed 2021

NASA and The GLOBE Program

GLOBE Observer: Clouds

Help scientists understand the sky from above and below.

Anywhere

Ongoing

Citizen ScienceNature & OutdoorsOcean Water MarineEcology & EnvironmentClimate & WeatherGeology & Earth ScienceAstronomy & Spaceatmospheretop viewed 2021cloudscsm2026nasa gogirl scoutsnasa_nasanasa-supportedthe globe programcsm2025dust stormsweathertop 22 in 2022globenasa-sciactappearth2025top2022climatedustcsm-featured

iNaturalist

Share observations of biodiversity.

Anywhere

Ongoing

Citizen ScienceOcean Water MarineInsects & PollinatorsNature & OutdoorsBiologyAnimalsEcology & Environmentmuseumapptop2022csm-featuredtop viewed 2021gardeniphonegirl scoutsandroidnatureec2020libraryinsect populationssummer reading 2021top 22 in 2022naturalistcsm2026biodiversity

ISeeChange

We’re making a record of climate change impacts.

Anywhere

Ongoing

Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmentcrowdsourcingmappingsatelliteswnycclimatecommunitynew yorkrainremote sensingclimate changesensorsweatherheatstoriesbackyardlos angelestop 22 in 2022beachescoastal changeyale climate connectionsmarine environmenttrees urban street forest mapclimate educationbirdscarbonpublic mediajournalismnew orleanscitizen science waterphotographytop viewed 2021earth2025julia kumari drapkinearthurban heatjet propulsion laboratorytreesflooddroughtcitizen sciencecommunity engagementmountainsresiliencemiamiradioneighborhoodcitizen journalismsnowurban heat islandsea level risecsm-featuredgirl scoutssciencenasacsm2025earth sciencetop2022funnprclimate sciencenasa orbiting carbon observatorycity

Marine Debris Tracker

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

Anywhere

Ongoing

Citizen ScienceGeology & Earth ScienceEcology & EnvironmentOcean Water MarineNature & OutdoorsEducationappmarine debrisplastic pollutiondebrisgirl scoutsnature & outdoorstrackertop viewed 2021csm-featuredearth2025litterocean pollutionwaste managementecology & environmentmarinecsm2026csm2025

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