The National Park Service is cutting off access to Cleetwood Cove Trail, the most heavily used trail at Crater Lake National Park, at the end of the 2025 summer session. NASA's SWOT satellite revealed ...

Coral cells contain dense populations of microalgae that provide them with nutrients (pictured here under a microscope ... hot water temperatures and low iron levels, these symbiotic algae ...

Which explores microscopic lifeforms in New York City ponds. And as she's discovered, there's a lot of it. This is water from a garden ... They're cells of algae inside tiny glass houses and ...

We studied the water under the microscope and extracted DNA for genetic analysis. Single-celled, microbial algae occur naturally in seawater all over the world. They are also called phytoplankton ...