Long before GPS, engines, and modern instruments, humans crossed vast oceans using nothing but nature. This video explains ...

The ocean has always looked like a blank blue expanse on most maps, yet beneath that surface lies a layered, living ...

When a Monterey County woman died in a shark attack off Pacific Grove in late December, it was the 17th such fatality in 75 ...

A new study says researchers could be missing important climate and environmental changes associated with reduced livestock ...

Something unusual happened off the coast of Panama this year, and at first it did not look dramatic. There was no single ...

Why does Trump want to take over? How big is Greenland compared to the United States? What you need to know about the ...

Nestled in the South Pacific Ocean, some 6,000 people live on the most isolated, inhabited island in the world: Rapa Nui.

Marine heat waves have become longer and more frequent along the U.S. West Coast, as elsewhere in the world. But heating ...

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

Scientists have finally solved a decades-old mystery with the first-ever live encounter of a ginkgo-toothed beaked whale.

A small town in California was hit by earthquakes once every 22 years for over a century, setting the stage for a major ...

New satellite records capture how polar ice sheets slide toward the sea, helping scientists better understand ice loss and ...