top viewed 2021

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Jan 11, 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 & Outdoorsgirl scoutsdunn labnutrientsantsnorth carolinapicnicantrob dunnfallwildlifeant picnictop viewed 2021summerrob dunn labcookiesfunoutsidesummer reading 2021top 22 in 2022dietspringnutritionwintertop2022your wild life

NASA / Zooniverse

Backyard Worlds: Planet 9

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

Anywhere

Ongoing

Citizen ScienceAstronomy & Spacenasa-sciactnasa-supportedsolar systemtop viewed 2021brown dwarfsnasastarsplanets_nasawiseplanet 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 & Outdoorsinsectperiodical cicadasinsectstop viewed 2021cicadascicada

Crowd the Tap

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

Multiple locations, including yours!

Ongoing

Citizen ScienceHealth & Medicinewaterhealthtop 22 in 2022top2022pipestop viewed 2021

Happywhale

Global Whale Tracking with Happywhale

Track individual whales and learn their stories.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentBiologyAnimalsOcean Water MarineNature & Outdoorsmappingunderwateroceanhumpbackoceanssea mammalwhale watchingwhale migrationtracktop viewed 2021orcaskiller whaleecology & environmentsea animalphotographyhumpbacksorcamigrationphoto identificationstoriesminkewhalesmapcetaceanstoryidentificationmammalstrackingresearchrescuewildlifenature & outdoorsstrandingmarine mammalogywhale biologyocean-dwellingphoto idfin whaleanimalphotocitizen sciencewhale trackingfinmarine mammalminke whalestorytellingwhaleconservationwhale watchmammaldolphinseanon-invasivegps

NSF’s NOIRLab

Globe at Night

To understand the impacts of light pollution.

Anywhere

Ongoing

Citizen ScienceEcology & EnvironmentNature & OutdoorsAstronomy & Spacelibrarystarnatop viewed 2021csm-featuredlight pollutiontop 22 in 2022top2022girl scouts

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 Marinetop2022csm2025dust stormscloudsclimateweatherappnasa-supported_nasatop 22 in 2022atmospherenasa gocsm-featurednasa-sciacttop viewed 2021dustearth2025nasathe globe programgirl scoutsglobe

iNaturalist

Share observations of biodiversity.

Anywhere

Ongoing

Citizen ScienceOcean Water MarineInsects & PollinatorsNature & OutdoorsBiologyAnimalsEcology & Environmentnaturemuseumtop 22 in 2022biodiversityinsect populationsnaturalistiphonecsm-featuredandroidtop2022summer reading 2021ec2020top viewed 2021girl scoutsapplibrarygarden

ISeeChange

We’re making a record of climate change impacts.

Anywhere

Ongoing

Citizen ScienceClimate & WeatherDisaster ResponseEcology & Environmentbeachessensorsearth2025heatcsm2025new yorkyale climate connectionsclimate changedroughturban heattop2022birdsjet propulsion laboratorycrowdsourcingcommunity engagementearth sciencecitizen sciencestoriestrees urban street forest mapmountainstop 22 in 2022sciencegirl scoutstreesearthcarbonphotographypublic mediaurban heat islandfuncityclimate educationcommunityclimatejournalismsnowmarine environmentweatherremote sensingfloodsatellitesneighborhoodcitizen journalismnprradionasa orbiting carbon observatorywnycnew orleanstop viewed 2021climate sciencerainmappingcoastal changejulia kumari drapkinbackyardcitizen science waterresiliencemiaminasalos angelescsm-featuredsea level rise

Marine Debris Tracker

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

Anywhere

Ongoing

Citizen ScienceNature & OutdoorsEcology & EnvironmentGeology & Earth ScienceOcean Water MarineEducationocean pollutioncsm2025csm-featuredlitterdebrisappecology & environmenttop viewed 2021marineearth2025girl scoutswaste managementmarine debrisnature & outdoorstrackerplastic pollution

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