At ETH Zurich, scientists from many different fields are working on something that seems straight out of science fiction.

AURORA, Colo. — Colorado Parks and Wildlife said on Saturday that they are advising people not to swim at Cherry Creek ...

"If our lake is in danger, then our livelihood is in danger," said a local business owner who is raising funds and awareness.

Blue-green algae can be found all over Minnesota. Here's some more info about why it forms and what to look for.

Five beaches in King County have high levels of bacteria, according to the local health department. One has toxic algae.

A number of Minnesota cities have reported blue-green algae blooms this summer, causing the temporary closing of some beaches ...

A lab experiment that simulated Mars conditions showed that green algae can grow in plastic containers made from the same ...

The National Park Service detected the presence of cyanotoxins in Antelope Canyon, in concentrations at the high end of safe ...

Officials are advising visitors to keep their children and pets out of the water at Cherry Creek Reservoir due to bacteria ...

Officials have closed off swimming at beaches in at least six states due to high bacteria levels. Here's where those closures ...