Researchers say more than a fifth of the planet’s ocean — which makes up 70 percent of the surface of the Earth — has been subject to the darkening process over the course of the past two decades.

Michigan, Ohio and Ontario failed to reduce the total phosphorus entering Lake Erie in 10 years. State officials and environmentalists are butting heads on where to go from here.

The Arctic’s greening from a warming climate isn’t just happening on land—it’s unfolding beneath the ocean surface too. There ...

New study finds that ammonia aerosols from penguin guano likely play an important part in the formation of heat-shielding ...

Two important concepts in evolutionary biology, mutualism and altruism, were first made famous by the colorful anarchist ...

Researchers are trying to rebuild sea ice above the Arctic Circle so it can reflect the sun’s warming rays, slowing climate ...

A haze of ice crystals in the air created a halo around the low sun as three snowmobiles thundered onto the sea ice on a ...

The UN Ocean Conference promises to be a rare event at which most of the key players are in the same location and free of the ...

The best omega-3 supplements, it turns out, are often the best fish oil supplements. That’s because, while many foods are ...

Critics of recent Trump administration moves say the lost staff and possible funding cuts leave communities more at risk as harmful algal blooms spread. Deep staff reductions and potential funding ...

The lanky birds feed on shrimp and algae in briny swamps and marshes around the world. To grab a bite, they stick their heads underwater and open and close their bill rapidly, as if chattering. Then ...

But as of mid-July, the body of water was filled with algae and bacteria that turned it into a stained red pool. Drought, heat, and increased demand for irrigation water have been steadily ...