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Astronomy On Tap
Astronomy on Tap Leiden: The Sun and Stars
Culture Café Leidse Lente
- April 13, 2026 at 6:00 PM through 8:00 PM
Community
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within 25 miles
Apr 10, 2026
20 opportunities found! use fewer search filter criteria to find more opportunities
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Zoooniverse
Beluga Bits
Understand more about elusive beluga whales
Anywhere
- Ongoing
Citizen ScienceOcean Water MarineAnimals
NASA / Zooniverse
Cloudspotting On Mars
Spot clouds in Mars’ atmosphere.
Anywhere
- Ongoing
Citizen SciencePhysicsClimate & WeatherAstronomy & Spacenasa-sciactcsm-featured_nasanasa-supportedcsm2026
SETI Institute + Unistellar Citizen Science
Cometary Activity
Understand cometary behavior and structure
Anywhere
- Ongoing
Citizen ScienceAstronomy & Space
Scripps Institution of Oceanography and Universidad Nacional de La Plata
Fjord Phyto
Monitor phytoplankton species diversity along the Arctic and Antarctic coast
Multiple locations, including yours!
- Ongoing
Citizen ScienceOcean Water MarineBiologyEcology & Environmentphytoplanktonfjordspolar_nasametagenomicscsm2025antarcticaiaatosnowgeneticsglacial meltwatermicrobeswapantarcticmicrobemetatranscriptomicsmeltwaternasa-supportedfjordphytowinterglaciersantarticanasa-sciacticetourism
NASA
Fresh Eyes on Ice
Document river ice conditions all around the world.
Anywhere
- Ongoing
Citizen ScienceNature & OutdoorsEcology & EnvironmentOcean Water Marineglobe_nasanasa-supportednasa-sciactrivericewater
NASA and The GLOBE Program
GLOBE Observer: Trees
Observe trees to understand changes in biomass and effects on the carbon cycle.
Anywhere
- Ongoing
Citizen ScienceGeology & Earth ScienceNature & OutdoorsGeographyEcology & Environmenttreesapptop2022nasa-sciactnasa-supportedglobethe globe programcarbon cyclecsm2026tree heightforests_nasaearth2025csm2025nasatop 22 in 2022nasa gocsm-featured
Horseshoe crabs as homes
Discover what species live on horseshoe crabs.
Multiple locations, including yours!
- Ongoing
Citizen ScienceEcology & EnvironmentAnimalsNature & OutdoorsOcean Water MarineBiologybeach walkhorseshoe crabpicture
Global Lake Ecological Observatory Network (GLEON)
Lake Observer mobile app
Monitor water quality in lakes and watersheds worldwide
Anywhere
- Ongoing
Citizen ScienceEcology & EnvironmentOcean Water MarineComputers & TechnologyNature & OutdoorsClimate & WeatherChemistryBiologyecologymobile appmonitoringcitizen sciencelimnologywater qualitylake
Sun City Oro Valley Astronomy Club
Monthly Program - SCOV Astronomy Club
Sun City Oro Valley, Arizona AZ
- Ongoing through May 21, 2026 at 7:00 AM
CommunityAstronomy & Space
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