Scientists predict that in a billion years, the oxygen level on Earth will drastically decrease, according to "Nature ...

The U.S. Army Corps of Engineers Nashville District is taking a major step toward enhancing hydropower generation and ...

About half a billion years ago, early animals in the oceans and seas struggled to survive in a world that experienced ...

In a study in the journal Science, McKnight and his colleagues report they may have found the answer: Seals can directly ...

Oxygen is crucial for aquatic life to thrive. But levels of dissolved oxygen have declined in many watery environments, ...

What do elite Navy SEALS, world-class free-divers, and marine mammals have in common? They all push the limits of breath-hold ...

Marine mammals can hold their breath for extended periods underwater; the question is, how do they know when it's time to resurface?

"Indoor environments with poor air quality such as elevated CO₂ levels, particulate matter (PM2.5) and VOCs can reduce the ...

After Earth's worst mass extinction, surviving ocean animals spread worldwide. Stanford's model shows why this happened.