After suspecting the presence of a series of underwater volcanoes near the Cook Islands, researchers have now mapped out the ...

A thin stretch of the eastern Pacific Ocean has been getting colder for the past 30 years, defying the broad global trend and baffling scientists. The surprising and rapid rise in ocean ...

out into the Pacific Ocean, and out over the Marin Headlands (assuming there's not too much fog). You can park near the top of this 923-foot-tall hill, and then walk the rest of the way up via an ...