Some 390 million years ago in the ancient ocean, marine animals began colonizing depths previously uninhabited. New research ...

Ancient forests may have fueled a deep-sea oxygen boost nearly 390 million years ago, unlocking evolutionary opportunities ...

Study connects Earth’s first forests to an ocean oxygen rise that unlocked deep-sea habitats and spurred a wave of vertebrate ...

Study shows how rising oxygen levels in ancient oceans fueled marine evolution and species diversity, linking land plants to ocean health.

How Earth's atmosphere transformed from oxygen-poor to oxygen-rich over a span of about two billion years has been revealed by an international team of researchers.

How Earth's atmosphere transformed from oxygen-poor to oxygen-rich over a span of about two billion years has been revealed ...

According to ECH, the screenings will include height, weight, and vision checks, as well as an EKG to measure heart health, and tests for blood pressure, glucose, oxygen, and cholesterol levels.

Denton officials responded to reports of dead fish at Unicorn Lake, according to a press release from the city.

The company said it would issue a software update to restart the technology, which was caught up in a patent dispute.

It matters now, and most summers in East Texas, as we get have hot temperatures as well as frequent thunderstorms. Since most ponds often don’t have an mechanism to create oxygen-rich bottom stirring, ...