Related topics: ocean

International team starts on drilling expedition

The Earth's Cenozoic Era began 66 million years ago with a bang—and with the last mass extinction event on Earth until now. The meteorite impact that marked the end of the Cretaceous Period and the beginning of the Cenozoic ...

Bigger doesn't mean better for hatchery-released salmon

Fish permeate the culture of the Pacific Northwest (PNW). In particular, the iconic salmon has been an important part of the region for thousands of years, from ancient Native American trade routes and legends to modern fishing ...

Hurricane Lorenzo to bring 70-foot waves to Azores

A hurricane packing a punch rarely witnessed in the mid-Atlantic Ocean is bearing down on the Azores Islands, placing emergency services on red alert for waves that could reach eight stories high, winds that could flatten ...

Do animals control earth's oxygen level?

No more than 540 million years ago there was a huge boom in the diversity of animals on Earth. The first larger animals evolved in what is today known as the Cambrian explosion. In the time that followed, the animals evolved ...

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