Researchers developed a fourth-generation buoy in Seattle that can detect an earthquake-triggered tsunami 10-15 minutes ...

The USS George Washington returned to its home port in Japan in November for a forward-deployment in the western Pacific Ocean.

Far beneath the Pacific, a hidden volcano is swelling again after years of silence. Scientists are watching closely as ...

The Columbia River is critical for fish, energy, commerce and identity. But it faces an uncertain future. How much more can ...

This national park has 73 miles of Pacific Coast shoreline, a mysterious rainforest, and breathtaking mountain peaks.