Investigation into fish deaths on Silver Lake in Manitowoc County began Jan. 26 after fishermen reported not seeing live fish ...

SPIRIT LAKE, Iowa (KTIV) - Folks on Big Spirit Lake have been observing strange behavior in the fish there for the past few weeks because of low oxygen levels in the water. While this may sound like ...

Marine life receives its oxygen from warm water on the ocean's surface, but if there's no mixing with the colder water sitting below, then bottom-dwelling marine life, like lobsters, are unable to ...

A recent report out of Oregon State University paints a picture of how ocean oxygen levels have decreased in the Pacific Northwest over the years. The report found near-bottom levels of dissolved ...

Colleen Brown who is a PhD student at UNCW in the aquatic ecology laboratory says they found oxygen levels as low as 5% in the area where the fish were found. The Cape Fear River Watch has closed the ...

You could call it “Dead Zone East,” a 1,634-square-mile area of Gulf of Mexico bottom waters with dangerously low levels of oxygen on the east side of the Mississippi River. It's a bit larger than the ...

Sleep apnea can cause low blood oxygen during sleep. Low oxygen levels from sleep apnea can lead to health issues like fatigue and shortness of breath. If blood oxygen levels drop below 92%, medical ...

The biggest mass extinction in Earth history some 251 million years ago was preceded by elevated extinction rates before the main event and was followed by a delayed recovery that lasted for millions ...

Sharks have a branding problem. For many people, the word alone conjures images of horror: sleek predators stalking through ...

Millions live high above sea level, a testament to human resilience. Genetic adaptations allow them to thrive where others ...

A recent study explored one possible cause -- hyperoxia or high concentrations of oxygen given to such patients during surgery -- as opposed to doses more similar to air. The study concluded that ...

In its natural state, peatland is one of the largest carbon stores in nature. This is because the soil is so waterlogged and ...