top viewed 2021

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Dec 23, 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 & Outdoorsyour wild lifeoutsidecookiestop viewed 2021springpicnicdietant picnicnutritiongirl scoutsfunantwildliferob dunn labrob dunnnorth carolinanutrientssummerwinterfalldunn labtop 22 in 2022summer reading 2021top2022ants

NASA / Zooniverse

Backyard Worlds: Planet 9

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

Anywhere

Ongoing

Citizen ScienceAstronomy & Spaceplanet ninenasawisesolar systemplanetsbrown dwarfstop viewed 2021nasa-sciactstars_nasanasa-supported

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 & Outdoorsinsectcicadaperiodical cicadascicadasinsectstop viewed 2021

Crowd the Tap

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

Multiple locations, including yours!

Ongoing

Citizen ScienceHealth & Medicinetop viewed 2021healthtop2022pipestop 22 in 2022water

Happywhale

Global Whale Tracking with Happywhale

Track individual whales and learn their stories.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsOcean Water MarineNature & Outdoorsocean-dwellingnon-invasivephotoidentificationunderwaterminke whaleoceanswhalewhale trackingecology & environmentstorywildlifestrandingseaorcaswhale migrationwhale biologyconservationsea mammalmammalcitizen sciencetrackminkephotographykiller whaleanimalwhale watchingphoto identificationmammalsnature & outdoorsmarine mammalogydolphinmigrationfingpsstorytellingfin whaletrackingwhale watchmarine mammalrescuesea animalhumpbacksmappingcetaceanoceantop viewed 2021humpbackwhalesresearchmapphoto idorcastories

NSF’s NOIRLab

Globe at Night

To understand the impacts of light pollution.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentNature & OutdoorsAstronomy & Spacenalibrarylight pollutiongirl scoutstop2022startop 22 in 2022top viewed 2021csm-featured

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 Marineclimatedust storms_nasacsm-featuredearth2025csm2025nasa-supportedcloudstop 22 in 2022weathertop viewed 2021top2022nasa-sciactthe globe programnasa goglobeatmospheregirl scoutsnasaappdust

iNaturalist

Share observations of biodiversity.

Anywhere

Ongoing

Citizen ScienceOcean Water MarineInsects & PollinatorsNature & OutdoorsBiologyAnimalsEcology & Environmentinsect populationsandroidcsm-featuredmuseumnatureappec2020top viewed 2021naturalisttop2022girl scoutsiphonegardenbiodiversitytop 22 in 2022librarysummer reading 2021

ISeeChange

We’re making a record of climate change impacts.

Anywhere

Ongoing

Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmenttop2022coastal changecitizen journalismtop viewed 2021new yorkwnycheatjet propulsion laboratorycsm-featuredradiofunneighborhoodmountainsyale climate connectionsgirl scoutscrowdsourcingjulia kumari drapkinjournalismurban heatcarbonearthcommunity engagementclimate sciencesnowtop 22 in 2022citizen sciencesciencedroughtbeachesbirdscsm2025nasamiamisensorstreesnasa orbiting carbon observatoryclimate educationlos angelesphotographyfloodbackyardurban heat islandcommunityresiliencesea level risepublic mediaremote sensingclimatestoriesnprweathermarine environmentearth2025citizen science watercitysatellitesearth sciencemappingclimate changerainnew orleanstrees urban street forest map

Marine Debris Tracker

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

Anywhere

Ongoing

Citizen ScienceNature & OutdoorsEcology & EnvironmentGeology & Earth ScienceOcean Water MarineEducationmarinenature & outdoorsappcsm2025waste managementplastic pollutioncsm-featuredtrackerocean pollutiontop viewed 2021marine debrisdebrislittergirl scoutsearth2025ecology & environment

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