By tracking swarms of very small earthquakes, seismologists are getting a new picture of the complex region where the San Andreas fault meets the Cascadia subduction zone, an area that could give rise ...

Scientists are uncovering a hidden and surprisingly complex earthquake zone beneath Northern California by tracking swarms of ...

There she met Tim, a sub-sea engineer and submersible pilot who offered her a tour of his submarine Their shared passion for ...

Ocean microbes keep the planet healthy by cycling nutrients and capturing carbon, but a detailed and precise map of where ...

Advocates from across the Pacific will gather online Tuesday morning to share strategies for opposing federal deep-sea mining ...

Can you name a single geologic feature of the deep sea? Take a moment. Think about it. Did you pick the Mariana Trench? Odds are pretty good that you did. It is the deepest point on our planet and one ...

Alex Brandon / AP The U.S. military said Monday that it attacked three boats accused of smuggling drugs in the eastern Pacific Ocean, killing a total of eight people as scrutiny over the boat strikes ...