top viewed 2021

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Nov 29, 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 & Outdoorstop 22 in 2022cookiesrob dunn labdunn labdietwinterpicnicwildlifeant picnicantsnorth carolinafunnutritiontop2022outsideantsummeryour wild lifegirl scoutsnutrientsspringfallsummer reading 2021rob dunntop viewed 2021

NASA / Zooniverse

Backyard Worlds: Planet 9

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

Anywhere

Ongoing

Citizen ScienceAstronomy & Spacebrown dwarfsnasatop viewed 2021nasa-sciactwisesolar system_nasastarsnasa-supportedplanetsplanet nine

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 & Outdoorscicadascicadainsectstop viewed 2021periodical cicadasinsect

Crowd the Tap

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

Multiple locations, including yours!

Ongoing

Citizen ScienceHealth & Medicinetop2022top viewed 2021healthtop 22 in 2022pipeswater

Happywhale

Global Whale Tracking with Happywhale

Track individual whales and learn their stories.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsOcean Water MarineNature & Outdoorsmaptrackingminkewildlifefinstrandingwhale biologyorcaphotographyseamigrationunderwaterresearchfin whaleconservationsea mammalmappingcetaceanstorymarine mammalwhalestorytellingwhale trackingphoto idstorieshumpbackidentificationmammalanimalphotokiller whaleorcasnon-invasivewhalesrescuehumpbackswhale migrationnature & outdoorsoceanocean-dwellingtrackmarine mammalogyoceanssea animalcitizen sciencetop viewed 2021whale watchphoto identificationminke whaledolphinecology & environmentgpsmammalswhale watching

NSF’s NOIRLab

Globe at Night

To understand the impacts of light pollution.

Anywhere

Ongoing

Citizen ScienceAstronomy & SpaceNature & OutdoorsEcology & Environmentnagirl scoutslight pollutiontop 22 in 2022librarystartop2022csm-featuredtop viewed 2021

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 Marinenasa-supporteddust stormsdustappgirl scoutsclimateearth2025nasathe globe programtop viewed 2021csm2025globetop 22 in 2022weather_nasanasa-sciactnasa gotop2022csm-featuredatmosphereclouds

iNaturalist

Share observations of biodiversity.

Anywhere

Ongoing

Citizen ScienceOcean Water MarineInsects & PollinatorsNature & OutdoorsBiologyAnimalsEcology & Environmentlibrarytop2022naturalistbiodiversitymuseumtop viewed 2021girl scoutsinsect populationsandroidiphonetop 22 in 2022natureec2020csm-featuredgardensummer reading 2021app

ISeeChange

We’re making a record of climate change impacts.

Anywhere

Ongoing

Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmentpublic mediacrowdsourcinglos angelesradiosea level risenasa orbiting carbon observatorysciencecoastal changetreesmappingnew orleanscitizen science waterraintop viewed 2021climate sciencecitizen journalismmiamitop 22 in 2022wnycsatellitessnowneighborhoodjulia kumari drapkinsensorscityclimate educationurban heat islandweatherbeachesjet propulsion laboratoryearth sciencebirdsnprclimatecommunitytop2022remote sensingjournalismfuncarbonnasacsm-featuredurban heatheatnew yorkphotographyfloodcsm2025backyardmarine environmentdroughtgirl scoutscitizen sciencecommunity engagementyale climate connectionsstoriesearth2025resiliencetrees urban street forest mapearthmountainsclimate change

Marine Debris Tracker

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

Anywhere

Ongoing

Citizen ScienceNature & OutdoorsEcology & EnvironmentGeology & Earth ScienceOcean Water MarineEducationearth2025csm2025ocean pollutionnature & outdoorsdebrismarine debrisecology & environmentplastic pollutiontop viewed 2021trackerlitterappgirl scoutswaste managementmarinecsm-featured

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