Delicate yet voracious, the sea slug Elysia rufescens grazes cow-like on bright green tufts of algae, rooting around to find the choicest bits. But this inch-long marine mollusk gains not only a tasty ...

Photosynthesis is considered the most important process for life on earth as we know it today. On the one hand, oxygen is produced, which is the basis for animal and human life, and on the other hand, ...

A Cleveland-area biologist discovered a brand new species of algae in Stebbins Gulch -- and it's the first of its kind ever ...

A beach in Melbourne, Australia has been bathed in an “ethereal glow” at nighttime this week thanks to bioluminescent algae adding a shimmering, electric blue hue to the water and sand. Richard Pensak ...

Around 500 million years ago—when the Earth was already a ripe 4 billion years old—the first green plants appeared on dry land. Precisely how this occurred is still one of the big mysteries of ...

The Gulf of Oman turns green twice a year, when an algae bloom the size of Mexico spreads across the Arabian Sea all the way to India. Scientists who study the algae say the microscopic organisms are ...

EXCLUSIVE: Outdoor paving will brush clean without the need for harsh chemicals.

Algae toxic enough to cause skin rashes and itching are showing up at Lake Wateree, and state regulators are warning swimmers to stay out of areas where the greenish, scummy material is visible in the ...

Health officials issued an alert for Lake Howell after harmful blue-green algae toxins were detected in the water.

Brown algae is a common problem in many fish tanks, especially those that have been recently set up. It’s not dangerous to fish but can turn your beautiful aquarium into an ugly mess. This slimy layer ...