top viewed 2021

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Feb 6, 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 & Outdoorswinternorth carolinarob dunn labtop 22 in 2022antsnutritionrob dunndunn labfuntop2022summercookiestop viewed 2021antyour wild lifefallsummer reading 2021nutrientswildlifespringant picnicgirl scoutspicnicdietoutside

NASA / Zooniverse

Backyard Worlds: Planet 9

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

Anywhere

Ongoing

Citizen ScienceAstronomy & Spacestarsplanetswisebrown dwarfstop viewed 2021nasa-sciactsolar systemplanet ninenasa-supportednasa_nasa

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 & Outdoorsinsectscicadacicadastop viewed 2021periodical cicadasinsect

Crowd the Tap

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

Multiple locations, including yours!

Ongoing

Citizen ScienceHealth & Medicinepipestop 22 in 2022healthtop2022top viewed 2021water

Happywhale

Global Whale Tracking with Happywhale

Track individual whales and learn their stories.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsOcean Water MarineNature & Outdoorsstoryphotographyorcasecology & environmentresearchanimalmarine mammalhumpbackminkeminke whalerescuewildlifesea animalcitizen scienceocean-dwellingfinwhale watchmammalmigrationwhalemaptop viewed 2021whalestrackingconservationmappingtrackwhale migrationunderwatermammalsphoto idcetaceanstorytellingstorieswhale watchinggpsphoto identificationoceansnon-invasivefin whaleidentificationhumpbacksstrandingdolphinseaorcaoceankiller whalewhale trackingwhale biologyphotomarine mammalogysea mammalnature & outdoors

NSF’s NOIRLab

Globe at Night

To understand the impacts of light pollution.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentNature & OutdoorsAstronomy & Spacetop2022girl scoutscsm-featuredlight pollutionnalibrarystartop viewed 2021top 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 Science_nasagirl scoutsglobecsm-featuredcloudsclimatethe globe programapptop viewed 2021top2022earth2025csm2025atmospherenasa-sciactnasanasa gotop 22 in 2022dust stormsdustweathernasa-supported

iNaturalist

Share observations of biodiversity.

Anywhere

Ongoing

Citizen ScienceOcean Water MarineInsects & PollinatorsNature & OutdoorsBiologyAnimalsEcology & Environmentsummer reading 2021top2022ec2020top 22 in 2022girl scoutsappmuseumbiodiversitynatureinsect populationsiphonenaturalistlibrarycsm-featuredandroidgardentop viewed 2021

ISeeChange

We’re making a record of climate change impacts.

Anywhere

Ongoing

Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmentcitizen journalismclimate changecrowdsourcingbackyardnew yorkclimate educationfloodlos angelesbirdstop2022remote sensingsea level riseheatdroughtmiamimappingearthweatherurban heat islandnprcarbonsnowearth sciencecommunitybeachespublic mediayale climate connectionscitysciencenew orleanssensorssatellitesfunstoriesmountainscsm-featuredtreestop viewed 2021citizen science waterearth2025journalismnasa orbiting carbon observatoryrainradiojulia kumari drapkingirl scoutsnasaneighborhoodcitizen sciencetrees urban street forest mapclimate sciencecsm2025wnycmarine environmentcommunity engagementtop 22 in 2022climatecoastal changeresilienceurban heatphotographyjet propulsion laboratory

Marine Debris Tracker

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

Anywhere

Ongoing

Citizen ScienceGeology & Earth ScienceNature & OutdoorsEcology & EnvironmentOcean Water MarineEducationearth2025ocean pollutiongirl scoutsappecology & environmentplastic pollutioncsm-featuredmarine debriscsm2025litterwaste managementmarinetop viewed 2021trackerdebrisnature & outdoors

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