A dangerously low oxygen level—usually below 92%—can cause shortness of breath, confusion, chest pain, or fainting. It’s ...

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 ...

Key findingsArabian Sea was better oxygenated 16 million years ago than it is today, despite warmer climate conditions.Monsoons, ocean circulation ...

New research shows ancient tropical oceans once held more oxygen than cooler regions, reshaping where early life could survive and evolve.

These underground rodents are the first mammals found to actively choose air with lower-than-normal oxygen levels. Their remarkable ability to survive these conditions could offer a key model for rese ...

Janay Reece came back home to Baltimore to join WJZ in August 2023. Before coming back to the Charm City, Janay was a morning anchor and reporter for WDBJ7 in Roanoke, VA. She joined the WDBJ7 morning ...

Researchers Jeff Crooks and Stephany Garcia checked the minnow traps left at the murky mouth of the Tijuana River on a sunny October morning. They didn’t expect any catches. They haven’t had any for ...

Scientists studying ancient ocean fossils found that the Arabian Sea was better oxygenated 16 million years ago, even though ...

The tropical oceans that once served as oxygen-rich havens for Earth's earliest complex life have become the planet's largest marine dead zones. The ...