The light-sensitive tissue of birds’ eyes is not supplied with oxygen by blood vessels – instead, it powers itself with a ...

Wintry weather is almost here, and while everyone knows to stock up on food and water, some of the most vulnerable among us ...

Neural tissue normally dies quickly without oxygen. Yet bird retinas—among the most energy-demanding tissues in the animal ...

Startling findings in 2024 suggested that metallic nodules on the sea floor produce oxygen and might support life. Now ...

A team of scientists announced Tuesday they have developed new deep-sea landers specifically to test their contentious ...

Indian mountaineer Rohtash Khileri sets a world record by surviving 24 hours on Mount Elbrus without oxygen, offering rare insights into human endurance science.

Researchers have unveiled world-first deep-ocean landers to uncover how the mysterious dark oxygen is produced in complete ...

When oxygen disappears, most fish suffocate. This one ferments its own metabolism and waits months for spring beneath frozen ...

Microscopic ocean algae produce a huge share of Earth’s oxygen—but they need iron to do it. New field research shows that ...

Research reveals when and why ancient tropical seas transitioned from oxygen oases to marine dead zones, providing clues to ...