top viewed 2021

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Feb 7, 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 & Outdoorsfunnutrientsyour wild lifenorth carolinagirl scoutsantant picniccookiessummer reading 2021nutritionrob dunnantsdiettop viewed 2021outsiderob dunn labtop 22 in 2022wildlifefalldunn labwintersummertop2022springpicnic

NASA / Zooniverse

Backyard Worlds: Planet 9

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

Anywhere

Ongoing

Citizen ScienceAstronomy & Spacebrown dwarfsplanetsstarsplanet ninenasa_nasanasa-supportednasa-sciacttop viewed 2021solar systemwise

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 & Outdoorscicadasinsecttop viewed 2021cicadainsectsperiodical cicadas

Crowd the Tap

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

Multiple locations, including yours!

Ongoing

Citizen ScienceHealth & Medicinetop2022pipeswatertop 22 in 2022top viewed 2021health

Happywhale

Global Whale Tracking with Happywhale

Track individual whales and learn their stories.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsOcean Water MarineNature & Outdoorsstoriesstorytellingunderwaterwhale watchmarine mammalwhale biologyorcasmammalorcasea mammalmammalsmigrationminke whalenon-invasivehumpbackswhalestrackminkemappingmarine mammalogytop viewed 2021fin whaleconservationstorygpsphotographytrackingkiller whaleecology & environmentocean-dwellingresearchanimalmapphotooceanssea animalwildliferescueidentificationwhale migrationfinhumpbackphoto identificationnature & outdoorsseaoceanwhalephoto idwhale watchingcitizen sciencecetaceandolphinstrandingwhale tracking

NSF’s NOIRLab

Globe at Night

To understand the impacts of light pollution.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentNature & OutdoorsAstronomy & Spacenastarlibrarygirl scoutstop 22 in 2022top viewed 2021csm-featuredlight pollutiontop2022

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 Scienceglobeearth2025climatenasanasa gogirl scoutstop2022nasa-supportednasa-sciactdust stormsweatherdust_nasathe globe programcloudsappatmospherecsm2025top viewed 2021csm-featuredtop 22 in 2022

iNaturalist

Share observations of biodiversity.

Anywhere

Ongoing

Citizen ScienceOcean Water MarineInsects & PollinatorsNature & OutdoorsBiologyAnimalsEcology & Environmentmuseumtop2022girl scoutsapptop 22 in 2022gardeninsect populationsiphonelibrarynaturenaturalistandroidbiodiversityec2020csm-featuredtop viewed 2021summer reading 2021

ISeeChange

We’re making a record of climate change impacts.

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Ongoing

Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmentsensorsearthneighborhoodcarbonbeachesdroughtsatellitescitizen journalismweatherresiliencecommunity engagementcsm2025communitycrowdsourcingsciencenasajournalismclimate changenprradiocitizen sciencefloodnew orleansrainclimatejet propulsion laboratoryheatjulia kumari drapkinphotographymiaminasa orbiting carbon observatoryurban heatcoastal changetop2022los angelesmarine environmentcsm-featuredtop 22 in 2022sea level riseyale climate connectionstrees urban street forest mapgirl scoutsfunurban heat islandearth2025remote sensingpublic mediawnyccityearth sciencesnowclimate sciencetop viewed 2021treesclimate educationbirdsmountainsnew yorkmappingstoriescitizen science waterbackyard

Marine Debris Tracker

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

Anywhere

Ongoing

Citizen ScienceGeology & Earth ScienceNature & OutdoorsEcology & EnvironmentOcean Water MarineEducationtop viewed 2021ocean pollutiongirl scoutsmarineearth2025waste managementmarine debrisplastic pollutionappecology & environmentdebrisnature & outdoorscsm-featuredcsm2025trackerlitter

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