If you are bitten by a tick, you need to find out what species it was, fast. A research team has developed a website to help people in Quebec, Ontario and New Brunswick do just that.
Volunteers can contribute data to maps that help cyclists choose their routes and let planners know how city cycling can be improved.
Camera traps allow citizen scientists to peek into the hidden lives of Britain's mammals.
Urban pollutants are a health concern in growing cities. Scientists are turning to honey bees to help monitor contaminants in soil, water, air and plants.
For decades, New England students took field trips out into the Long Island Sound. Their data show how quickly the sound is warming, leading to fewer American lobster, rock crab and winter flounder.
By finding out more about the cat flea, researchers could maybe identify better pest control measures.
Citizens can be recruited in addressing data deficits.
The smoke from wood-burning stoves and fireplaces contributes to air pollution and poor health.
Nurdles are a raw feedstock used to make most of the plastic products we use everyday, but they're flooding the ocean as "mermaid tears".
Volunteers from all over the world are taking part in a citizen science project to help scientists work out how bad microplastic pollution really is.
Citizen science game offered clues to why shore crabs get greener as they grow.
Fall is peak activity time for adult blacklegged ticks, increasing the risk of tick bites on both people and pets.
When people form local networks to take care of resources such as drinking water, they strengthen their communities. Technology can support these efforts and promote learning and innovation.
The 2018 Australian Museum Eureka Prize winners include astrophysicist and science communicator Alan Duffy and the citizen science app QuestaGame.
Elusive and mysterious by nature, ordinary people are revealing the secrets of the UK's octopuses.
Climate change can seem far removed from our everyday lives, which is why a citizen science program measuring how frogs are dealing with a warming world is so important.
Astronomers are gathering an exponentially greater amount of data every day – so much that it will take years to uncover all the hidden signals buried in the archives.
We often focus on the “science” part of citizen science. The “citizen” is important as well. It reminds us that we are part of something greater than ourselves, with a duty to generations to come.
Does big data threaten how humans explore the natural world? We need to protect our impulses to observe, compare, play, discover and love, no matter what technological capabilities are available.
Citizen science isn't just about charity – new research shows there are some quite unexpected benefits for participants.